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                                                                 EXHIBIT 3.10
                                   BY - LAWS
                                       OF
                              ERO INDUSTRIES, INC.

a corporation organized and existing under and by virtue of the laws of the
State of Illinois.

ARTICLE I.

                               AUTHORIZED SHARES

Section 1:    The authorized shares of the corporation shall consist of Three
              Million (3,000,000) common shares of the par value of one dollar
              ($1.00), and One Hundred Thousand (100,000) preferred shares of
              the par value of One Hundred dollars ($100.00).

ARTICLE II.

                            CERTIFICATES FOR SHARES
                               AND THEIR TRANSFER

Section 1:    All certificates representing shares of the corporation shall be
              signed by the chairman of the board, the president or a
              vice-president and by the secretary or an assistant secretary and
              sealed with the seal of the corporation.


Section 2:    The certificates representing shares of the corporation shall be
              numbered and shall be entered in the books of the corporation as
              they are issued, or so long as there should be transfer agents
              and/or registrars for the corporation authorized and appointed by
              the board of directors, all records pertaining to the issuance,
              transfer and registration of certificates shall be kept and
              maintained by such transfer agents and/or registrars.

Section 3:    Upon the surrender to the corporation or to its transfer agents
              and/or registrars for cancellation of a certificate duly endorsed
              by the registered holder thereof and accompanied by proper
              evidence of succession, assignment or authority to transfer, a
              new certificate shall be issued to the person entitled thereto,
              the old certificate shall be cancelled, and the transaction
              recorded upon the books of the corporation.
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Section 4:    The board of directors of the corporation may close its stock
              transfer books for a period not exceeding forty and not less than
              ten days prior to the date of any meeting of shareholders, or the
              date for the payment of any dividend or for the allotment of
              rights, or the date when any exchange or reclassification of
              shares shall be effective; or in lieu thereof, may fix in advance
              a date, not exceeding forty and not less than ten days prior to
              the date of any meeting of shareholders, or to the date for the
              payment of any dividend or for the allotment of rights, or to the
              date when any exchange or reclassification of shares shall be
              effective, as the record date for the determination of
              shareholders entitled to notice of, or to vote at, such meeting,
              or shareholders entitled to receive payment of any such dividend
              or to receive any such allotment of rights, or to exercise rights
              in respect to any exchange or reclassification of shares; and the
              shareholders of record on such date shall be the shareholders
              entitled to notice of and to vote at, such meeting or to receive
              payment of such dividend or to receive such allotment of rights
              or to exercise such rights in the event of any exchange or
              reclassification or shares, as the case may be. If the transfer
              books are not closed and no record date is fixed by the board of
              directors, the date on which notice of the meeting is mailed
              shall be deemed to be the record date for the determination of
              shareholders entitled to vote at such meeting. Transferees of
              such which are transferred after the record date shall not be
              entitled to notice of or to vote at such meeting.

Section 5:    The corporation shall be entitled to treat the holder of record
              of any share or shares as disclosed by the stock ledger or
              transfer books of the corporation or its transfer agents as the
              holder in fact thereof, and accordingly shall not be bound to
              recognize any equitable or other claim or interest in such share
              or shares on the part of any other person, whether or not it
              shall have express or other notice thereof, save as expressly
              provided by the laws of the State of Illinois.

Section 6:    The board of directors may direct a new certificate or
              certificates to be issued in place of any certificate or
              certificates theretofore issued by the corporation alleged to
              have been lost or destroyed, upon the making of an affidavit of
              that fact by the person claiming the certificate to be lost or
              destroyed, and the board of directors, when authorizing such
              issuance of a new certificate or certificates, may in its
              discretion and as a condition precedent to the issuance thereof,
              require the owner of such lost or destroyed certificate or
              certificates or his legal representative to advertise such fact
              in such manner as it shall require and/or give the corporation a
              bond of indemnity in such form and amount and with such sureties
              as shall be deemed satisfactory by the board of directors.




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ARTICLE III.

                                  SHAREHOLDERS

Section 1:    All meetings of the shareholders shall be held at the registered
              office of the corporation, unless another or different place,
              whether within or without the State of Illinois, be specified in
              the notice of any such meeting or in the written waiver of notice
              of any such meeting, in which event any such meeting may be held
              at the place specified in such notice or in such waiver.

Section 2:    The annual meeting of the shareholders shall be held on the third
              Wednesday in May of each year, commencing with the year 1969, if
              the same is not a legal holiday, and if said date is a legal
              holiday, then on the next business day following. At the annual
              meeting of shareholders, the shareholders shall elect by a
              plurality vote a Board of Directors and transact such other
              business as may properly come before the meeting. In all
              elections for directors every shareholder shall have the right to
              vote, in person or by proxy, the number of shares owned by him,
              for as many persons as there are directors to be elected, or to
              cumulate said shares and give one candidate as many votes as the
              number of directors multiplied by the number of his shares shall
              equal, or to distribute them on the same principle among as many
              candidates as he shall think fit.

Section 3:    A majority of the outstanding shares of the corporation present
              in person or represented by proxy shall constitute a quorum at
              any meeting of shareholders. If, however, such majority shall not
              be present or represented at any meeting of the shareholders, the
              shareholders present in person or by proxy, provided they
              represent at least one-third of the outstanding shares of the
              corporation, shall have the power to adjourn the meeting from
              time to time without notice other than announcement at the time
              of the meeting, until the requisite number of shares shall be
              present.

Section 4:    At any adjourned meeting at which the requisite number of shares
              shall be represented, any business may be transacted which might
              have been transacted at the meeting as originally called.

Section 5:    At each meeting of the shareholders every shareholder shall be
              entitled to vote in person or by proxy appointed by an instrument
              in writing subscribed by such shareholder or by his duly
              authorized agent and delivered to the secretary or presiding
              officer before or at the time of such meeting, and he shall have
              one vote for each share registered in his name on the books of
              the corporation.




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Section 6:    Written or printed notice of the annual meeting or of any special
              meeting, stating the place, day and hour or said meeting, and in
              case of a special meeting, the purpose or purposes for which the
              meeting is called, shall be delivered not less than ten (10) days
              nor more than (40) days before the date of the meeting, either
              personally or by mail, by or at the direction of the chairman of
              the board, the president or the secretary or the officer or
              person calling the meeting, to each shareholder of record
              entitled to vote at such meeting.

Section 7:    Special meetings of the shareholders may be called by the
              chairman of the board, the president, by the board or directors,
              or by the holders of not less than one-fifth (1/5) of all
              outstanding shares of the corporation. Special meetings of the
              shareholders for the sole purpose of electing a director or
              directors to fill a vacancy or vacancies shall be called by the
              chairman of the board, the president or secretary at the request
              in writing of any shareholder.

Section 8:    The officer or agent having charge of the transfer book for
              shares of the corporation shall make, at least ten (10) days
              before each meeting of shareholders, a complete list of the
              shareholders entitled to vote at such meeting arranged in
              alphabetical order with the address of, and the number of shares
              held by each, which list for a period of ten (10) days prior to
              such meeting shall be kept on file at the registered office of
              the corporation and shall be subject to inspection by any
              shareholder at any time during usual business hours. Such list
              shall also be produced and kept open at the time and place of the
              meeting and shall be subject to the inspection of any shareholder
              during the whole time of the meeting.

Section 9:    Any action required to be taken at a meeting of shareholders may
              be taken without a meeting if consent in writing, setting forth
              the actions so taken, shall be signed by all of the shareholders
              entitled to vote with respect to the subject matter thereof.

Section 10:   Voting on any question or in any election may be viva voce,
              unless the presiding officer shall order, or any shareholder
              shall demand, that the voting be by ballot.





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ARTICLE IV:

                                  DIRECTORS

Section 1:       The business and affairs of the corporation shall on and after
                 the annual meeting of the shareholders to be held during 1966,
                 be managed by its board of seven (7) directors, none of whom
                 need be residents of the State of Illinois or shareholders of
                 the corporation.

Section 2:       The directors may hold their meetings, regular or special,
                 either within or without the State of Illinois, at such place
                 or places as they may from time to time determine.

Section 3:       The annual meeting of the board of directors shall be held
                 immediately following the annual meeting of the shareholders.
                 At each annual meeting of shareholders the shareholders shall
                 elect directors to hold office until the next succeeding
                 annual meeting. Each director shall hold office for the term
                 for which he is elected, or until his successor shall have
                 been elected and qualified.

Section 4:       The directors may establish one or more offices and keep the
                 books of the corporation except such as are required by law to
                 be kept within the state or at the registered office of the
                 corporation within or without the State of Illinois, at such
                 place or places as they may from time to time determine.

Section 5:       In addition to the powers and authorities by these by-laws
                 expressly conferred upon them the board of directors may
                 exercise all such powers of the corporation and do all such
                 lawful acts and things as are not by statute or by the
                 articles of incorporation of this corporation or by these
                 by-laws directed or required to be exercised or done by the
                 shareholders.

Section 6:       Regular meetings of the board of directors may be held without
                 notice at such time and place, either within or without the
                 State of Illinois, as shall be from time to time determined by
                 a majority of the board of directors.

Section 7:       Special meetings of the board of directors may be called by the
                 chairman of the board or the president on two (2) days' notice
                 to each director, either personally or by mail or by telegram.
                 Special meetings shall be called by the chairman of the board,
                 the president or secretary in like manner and on like notice
                 on the written request of one director. Neither the business
                 to be transacted at, nor the 
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                purpose of any regular or special meeting of the board of
                directors need be specified in the notice or waiver of notice
                of such meeting.

Section 8:      At all meetings of the board of directors a majority of the
                directors shall be necessary and sufficient to constitute a
                quorum for the transaction of business of the corporation, and
                the act of a majority of the directors present at any meeting
                at which there is a quorum shall be the act of the board of
                directors, except as may be otherwise provided by the articles
                of incorporation or by these by-laws.

Section 9:      Any vacancy occurring in the board of directors and any
                directorship to be filled by reason of an increase in the
                number of directors shall be filled by election at an annual
                meeting or at a special meeting of shareholders called for
                that purpose. A director elected to fill a vacancy shall be
                elected for the unexpired term of his predecessor in office.

Section 10:     Directors, as such, shall not receive any stated salary for
                their services, but by resolution of the board of directors, a
                fixed sum and expenses for attendance, if any, may be allowed
                for attendance at each regular or special meeting of the board
                of directors, provided that nothing herein contained shall be
                construed to preclude any director from serving the
                corporation in any other capacity and receive compensation
                therefor.

ARTICLE V.

                                           OFFICERS

Section 1:      The officers of the corporation shall be a chairman of the
                board, a vice chairman of the board, a president, one or more
                vice presidents, a secretary and a treasurer.

Section 2:      Any two of the aforesaid offices may be filled by the same
                person with the exception of the offices of chairman of the
                board and secretary, and president and secretary.

Section 3:      The board of directors at its annual meeting after each annual
                meeting of the shareholders shall elect a chairman of the
                board, a vice chairman, a president, one or more vice
                presidents, a secretary and a treasurer, who need not be
                members of the board of directors, nor shareholders of the
                corporation, nor residents of the State of Illinois.



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Section 4:      The board of directors may appoint or elect such other
                officers and agents, including one or more assistant
                secretaries and one or more assistant treasurers, as it shall
                deem necessary, such officers and agents to have such authority
                and perform such duties as from time to time shall be
                prescribed by the board of directors.

Section 5:      The officers of the corporation shall hold office until the
                next annual meeting of the board of directors or until their
                successors are chosen and qualify in their stead.

Section 6:      Notwithstanding the provisions of Section 5 of this article,
                any officer or agent elected or appointed by the board of
                directors may be removed by the board of directors whenever in
                its judgment the best interests of the corporation will be
                served thereby, but such removal shall be without prejudice to
                the contract rights, if any, of the persons so removed.

Section 7:      If any office becomes vacant for any reason, the vacancy shall
                be filled by the board of directors.

Section 8:      The salaries of all officers of the corporation shall be fixed
                by the board of directors.

Section 9:      The chairman of the board of directors shall be the chief
                executive officer of the corporation. He shall preside at all
                meetings of the board of directors and shall see that orders
                and resolutions of the board of directors are carried into
                effect; he shall be ex officio a member of all standing
                committees; except where by law the signature of the president
                is required, the chairman of the board shall have the power to
                execute on behalf of the corporation bonds, mortgages,
                certificates for shares and all other documents, whether or not
                under the seal of the corporation; he shall vote all shares of
                stock of any other corporation standing in the name of this
                corporation; shall have general powers of supervision and
                management and shall be the final arbitrator of all differences
                between officers of the corporation and his decision as to any
                matter affecting the corporation shall be final and binding as
                between the officers of the corporation, subject only to the
                board of directors of the corporation.

Section 9.A:    The vice chairman of the board shall have such duties as may be
                prescribed from time to time by the board of directors of the
                corporation or as may be designated by the president of the
                corporation.
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Section 10:     The president of the corporation shall have the active
                management of the business of the corporation under the general
                supervision of the chairman of the board; he shall preside at
                all meetings of the shareholders and, in the absence of the
                chairman of the board, he shall preside at all meetings of the
                board of directors; he shall see that all orders and
                resolutions of the board of directors are carried into effect
                and shall have the same powers as the chairman of the board to
                execute on behalf of the corporation, bonds, mortgages,
                certificates for shares and all other documents, whether or not
                under the seal of the corporation, and in addition shall have
                the power to execute documents where by law the signature of
                the president is required; and in the absence of the chairman
                of the board, he shall have such powers as are vested in such
                office, including the power to vote all shares of stock of any
                other corporation standing in the name of the corporation, and
                may exercise any other powers vested in said chairman of the
                board; he shall be ex officio a member of all standing
                committees, and shall have such other powers usually vested in
                the president of a corporation, subject to those powers
                delegated to the chairman of the board by these by-laws, and
                further subject to the right of the board of directors to
                delegate powers to other officers of the corporation, except
                those powers which may be exclusively conferred by statute upon
                the office of president.

Section 11:     The vice-presidents, in the order of their seniority, in the
                absence of the president, or in case of the disability of the
                president, shall perform the functions of the office of
                president.

Section 12:     The secretary shall attend all sessions of the board of
                directors and all sessions of the shareholders, and act as the
                clerk thereof, and record all votes and the minutes of all the
                proceedings in a book to be kept for that purpose; and shall
                perform like duties for the standing committees when required;
                he shall sign certificates for shares; he shall see that all
                notices are duly given in accordance with the provisions of
                these by-laws or as required by law, and shall perform such
                other duties as may be prescribed by the board of directors or
                president, under those supervision he shall be; he shall keep
                in safe custody the corporate records and the seal of the
                corporation, and, in all proper cases, he shall affix the seal
                of the corporation to any instrument requiring the same; he
                shall be ex officio a member of all standing committees.

Section 13:     The assistant secretaries in the order of their seniority
                shall, in the event of the absence or disability of the
                secretary, perform the duties and exercise the powers of the
                secretary, and shall perform such other duties as the board of
                directors shall prescribe.
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Section 14:     The treasurer subject to supervision and direction of the
                president, shall have the custody of the corporate funds and
                securities, and shall keep full and accurate accounts of
                receipts and disbursements in books belonging to the
                corporation and shall deposit all moneys and other valuable
                effects in the name and to the credit of the corporation, in
                such depositaries as may be designated by the board of
                directors; upon failure of the board of directors to designate
                such depositaries, then in such depositaries as may be
                designated by the president.

Section 15:     The assistant treasurers in the order of their seniority shall,
                in the event of the absence or disability of the treasurer,
                perform the duties and exercise the powers of the treasurer,
                and shall perform such other duties as the board of directors
                shall prescribe.

ARTICLE VI.     

                              OFFICES AND RECORDS

Section 1:      The corporation may have offices at such places either within
                or without the State of Illinois, as the board of directors may
                from time to time appoint or as the business of the corporation
                may require.

Section 2:      The corporation shall keep at its registered office or
                principal place of business in Illinois, or at the office of a
                transfer agent or registrar in Illinois, a record of its
                shareholders, giving the names and addresses of all
                shareholders and the number and class of the shares held by
                each.

Section 3:      The corporation shall also keep correct and complete books and
                records of accounts and shall also keep minutes of the
                proceedings of its shareholders and board of directors.

ARTICLE VII.    

                                 INDEMNIFICATION OF DIRECTORS
                                         AND OFFICERS

Section 1:      The corporation shall, to the full extent specifically 
                permitted by the Illinois Business Corporation Act as amended
                from time to time or, in the absence of any specific provision
                in the Illinois Business Corporation Act, to the full extent
                permitted by Section 145 of the Delaware General Corporation Law
                (which is hereby incorporated by reference as though
                specifically repeated in this by-law) as amended from time to
                time, indemnify all present and form directors and officers whom
                it may indemnify pursuant thereto, subject to the same terms and
                conditions as provided therein. The indemnification authorized
                hereby shall not be deemed exclusive of any other rights to
                which those seeking indemnification may be entitled under or
                through any agreement, vote of stockholders or disinterested
                directors or otherwise, both as to action in the official
                capacity of those seeking indemnification and as to action in
                another capacity while holding such office, and shall continue
                as to a person who has ceased to be a director or officer and
                shall inure to the benefit of the heirs, executors and
                administrators of such persons. If any provision of this by-law
                or the application of any provision of any person or set of
                facts shall be declared to be illegal, unenforceable or contrary
                to public policy, this by-law shall continue in full force and
                effect as to all other provisions or all other applications of
                its provisions, as the case may be (it being intended that the
                scope of indemnification permitted hereunder shall be as broad
                and all-inclusive as permitted by law). This by-law shall not
                preclude or affect the right of the corporation in a specific
                case, upon a determination in accordance with the provisions of
                the Illinois Business Corporation Act or Section 145 of the
                Delaware General Corporation Law, as the case may be, to
                indemnify any person other than a present or former director or
                officer of the corporation. The corporation may purchase and
                maintain insurance on behalf of any person who is or was a
                director, officer, employee or agent of the corporation, or is
                or was serving at the request of the corporation as a director,
                officer, employee or agent of another corporation, partnership,
                joint venture, trust or other enterprise, against any liability
                asserted against him and incurred by him in any such capacity,
                or arising out of his status as such, whether or not the
                corporation would have the power to indemnify him against such
                liability under the provisions of the Illinois Business
                Corporation Act or Section 145 of the Delaware General
                Corporation Law, as the case may be.



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ARTICLE VIII.   

                                 MISCELLANEOUS

Section 1:      All checks or demands for money or notes of the corporation
                shall be signed by such officer or officers as the board of
                directors may from time to time designate, and in the absence
                of such designation, by the chairman of the board, the
                president or vice-president.

Section 2:      The fiscal year of the corporation shall begin with the first
                day of February of each year and shall end with the last day of
                January of the following year.

Section 3:      Whenever any notice whatever is required to be given under the
                provisions of the laws of the State of Illinois or under the
                provisions of the articles of incorporation of the corporation
                or under these by-laws, a waiver thereof in writing signed by
                the person or persons entitled to such notice, whether before
                or after the time stated therein, shall be deemed equivalent to
                the giving of such notice.

ARTICLE IX.

                                   AMENDMENTS

Section 1:      The directors, by a majority vote, may at any regular or at any
                special meeting alter, amend or repeal these by-laws or any of
                them if notice of such purpose be set forth in the notice of
                the meeting.