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US5049346A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of molding a decorative trim

Assignee: Tokai Kogyo Co Ltd
•
Filing: 1989-06-26
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Granted: 1991-09-17
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Expires: 2009-06-26
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Abstract

Abstract A method of producing a molding which includes the steps of interconnecting the first and second moldings, each of which includes a core, by a connecting portion which has a decorative trim portion with a continuously varying cross sectional shape; forming a notched portion with at least one concave portion and at least one convex portion on the core of each of the first and second moldings; engaging the respective notched portions of the first and second moldings with each other by setting the concave portion of the first molding in the convex portion of the second molding; disposing the engaged portions within a cavity of a mold having a cross sectional shape corresponding to the cross sectional shape of the connecting portions; and injecting a material for molding into the cavity of the mold so as to form a decorative trim portion around the engaging portions, which continuously connects the first and second moldings as one body.

Inventors

  • 👤 Yukihiko Yada
  • 👤 Toshiaki Kishio

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 00:30
CPC Classifications
B; B60; B60J; B60J1/00; B60J1/20; B60J1/2002; B29; B29C; B29C45/00; B29C45/14; B29C45/14336; B29C45/14409; B60J10/00; B60J10/70; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49872; Y10T29/49888; Y10T29/4998; Y10T29/49982; Y10T29/49986

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 159 words
A method of producing a molding, which comprises: interconnecting first and second moldings, each of which has a core, with each other by a connecting portion which has a decorative trim portion with a continuously varied cross sectional shape; forming a notched portion with at least one concave portion and at least one convex portion on said core of each of said first and second moldings; engaging said respective notched portions of the first and second moldings with each other by setting the concave portion of said first molding in the convex portion of said second molding; disposing said engaged portions within a cavity of a mold having a cross sectional shape corresponding to the continuously varying cross sectional shape of said connecting portion; and injecting a material for molding into said cavity of said mold so as to form a decorative trim portion around said engaged portions, which continuously connects said first and second moldings as one body.
Claim 2
Independent Claim 159 words
A method of producing a molding, which comprises: interconnecting first and second moldings, each of which has a core, with each other by a connecting portion which has a decorative trim portion with a continuously varied cross sectional shape; forming a notched portion with at least one concave portion and at least one convex portion on said core of each of said first and second moldings; engaging said respective notched portions of the first and second moldings with each other by setting the concave portion of said first molding in the convex portion of said second molding; disposing said engaged portions within a cavity of a mold having a cross sectional shape corresponding to the continuously varying cross sectional shape of said connecting portion; and injecting a material for molding into said cavity of said mold so as to form a decorative trim portion around said engaged portions, which continuously connects said first and second moldings as one body.
Claim 3
Dependent Claim 55 words
A method according to claim 1, wherein said first and second moldings comprise a side molding for sealing the side of a windshield and an upper molding for sealing the top of the windshield, said side molding and said upper molding making a substantially right angle with each other, and said connecting portion being curved.
Claim 4
Dependent Claim 36 words
A method according to claim 1, wherein said decorative trim portion has a glass seal part for inserting a windshield, an attachment recess formed therein for fitting on a windshield frame, and a lip extending therefrom.
Claim 5
Dependent Claim 15 words
A method according to claim 1, which comprises mounting said molding on an automobile windshield.

References Cited (Backward Citations)

US3851432A Cited
US4372905A Cited
US4834428A Cited
US4712826A Cited
US4762584A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1994-09-16 1995-03-18 1995-09-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-09-16 1999-03-18 1999-09-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-09-16 2003-03-18 2003-09-17 $7700.00 Window Closed / Lapsed

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