SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Riviera Tool Company ------------------------------------------------------------------------------ (Name of Issuer) Common Stock, No Par Value ------------------------------------------------------------------------------- (Title of Class of Securities) 769648106 ------------------------------------------------------------------------------ (CUSIP Number of Class of Securities) April 9, 2001 ------------------------------------------------------------------------------ (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [ ] RULE 13d-1(b) [X] RULE 13d-1(c) [ ] RULE 13d-1(d) CUSIP No.769648106 Page 2 of 6 Pages ________________________________________________________________________________ 1) Name and I.R.S. Identification No. Of Reporting Person J.B. Capital Partners L.P. 13-3726439 ________________________________________________________________________________ 2) Check The Appropriate Box If A Member Of A Group (See Instructions) (a) [_] (b) [X] ________________________________________________________________________________ 3) SEC Use Only ________________________________________________________________________________ 4) Citizenship Or Place Of Organization: Delaware ________________________________________________________________________________ NUMBER OF 5) SOLE VOTING POWER: SHARES BENEFICIALLY _________________________________________________________________ OWNED BY 6) SHARED VOTING POWER: 321,975 shares EACH _________________________________________________________________ REPORTING 7) SOLE DISPOSITIVE POWER: PERSON WITH _________________________________________________________________ 8) SHARED DISPOSITIVE POWER: 321,975 shares ________________________________________________________________________________ 9) Aggregate Amount Beneficially Owned by Each Reporting Person: 321,975 shares ________________________________________________________________________________ 10) Check Box If the Aggregate Amount in Row (9) Excludes Certain Shares [_] (See Instructions) ________________________________________________________________________________ 11) Percent of Class Represented by Amount in Row (9): 9.5% of Common Stock ________________________________________________________________________________ 12) Type of Reporting Person (See Instructions): PN ________________________________________________________________________________ CUSIP No.769648106 Page 3 of 6 Pages ________________________________________________________________________________ 1) Name and I.R.S. Identification No. Of Reporting Person Alan W. Weber ________________________________________________________________________________ 2) Check The Appropriate Box If A Member Of A Group (See Instructions) (a) [_] (b) [X] ________________________________________________________________________________ 3) SEC Use Only ________________________________________________________________________________ 4) Citizenship Or Place Of Organization: United States of America ________________________________________________________________________________ NUMBER OF 5) SOLE VOTING POWER: SHARES BENEFICIALLY _________________________________________________________________ OWNED BY 6) SHARED VOTING POWER: 321,975 shares EACH _________________________________________________________________ REPORTING 7) SOLE DISPOSITIVE POWER: PERSON WITH _________________________________________________________________ 8) SHARED DISPOSITIVE POWER: 321,975 shares ________________________________________________________________________________ 9) Aggregate Amount Beneficially Owned by Each Reporting Person: 321,975 shares ________________________________________________________________________________ 10) Check Box If the Aggregate Amount in Row (9) Excludes Certain Shares [_] (See Instructions) ________________________________________________________________________________ 11) Percent of Class Represented by Amount in Row (9): 9.5% of Common Stock ________________________________________________________________________________ 12) Type of Reporting Person (See Instructions): IN ________________________________________________________________________________ ITEM 1(a). Name of Issuer: Riviera Tool Company ________________________________________________________________________________ ITEM 1(b). Address of Issuer's Principal Executive Offices: 5460 Executive Parkway S.E., Grand Rapids, MI 49512 ________________________________________________________________________________ ITEM 2(a). Names of Persons Filing: JB Capital Partners L.P. ("JB Capital") Alan W. Weber ("Weber") ________________________________________________________________________________ ITEM 2(b). Address of Principal Business Office Or, If None, Residence: 23 Berkley Lane, Rye Brook, New York 10573 ________________________________________________________________________________ ITEM 2(c). Citizenship: JB Capital is a Delaware Limited Partnership ________________________________________________________________________________ Weber is a citizen of the United States ________________________________________________________________________________ ITEM 2(d). Title of Class of Securities: Common Stock, No Par Value ________________________________________________________________________________ ITEM 2(e). CUSIP Number: 769648106 ________________________________________________________________________________ ITEM 3. If this Statement is filed pursuant to Rules 13d-1(b) or 13d-2(b) or (c), check whether the person filing is: None of the reporting persons is an entity specified in Rule 13d-1(b)(1)(ii). ITEM 4. Ownership: (a) Amount beneficially owned by all reporting persons: 321,975 shares (b) Percent of class: 9.5% of Common Stock (c) Number of shares as to which the reporting persons have: (i) sole power to vote or to direct the vote: (ii) shared power to vote or to direct the vote: 321,975 shares (iii) sole power to dispose or to direct the disposition: (iv) shared power to dispose or to direct the disposition: 321,975 shares ________________________________________________________________________________ ITEM 5. Ownership of five percent or less of a class. Not applicable. ITEM 6. Ownership of more than five percent on behalf of another person. Not applicable. ITEM 7. Identification and classification of the subsidiary which acquired the security being reported on by the parent holding company. Not applicable. ITEM 8. Identification and classification of members of the group. None of the reporting persons is an entity specified in Rule 13d-1(b)(1)(ii). ITEM 9. Notice of dissolution of group. Not applicable. ITEM 10. Certifications. By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. Dated: April 13, 2001 JB CAPITAL PARTNERS L.P. By: /s/Alan W. Weber --------------------------------------- Alan W. Weber, General Partner /s/Alan W. Weber --------------------------------------- Alan W. Weber, Individually