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US4382626A Expired / Lapsed US ⏱️ 0.0 years remaining

Attachment of a stainless steel outerbody to a glass reinforced plastic inner body

Assignee: Delorean Research LP
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Filing: 1981-03-11
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Granted: 1983-05-10
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Expires: 2001-03-11
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Abstract

Abstract In a structure comprising an inner molded glass reinforced plastic body and an outer shell of sheet material the sheet material is affixed to the body by at least one in-fill panel, the panel bonded to the body and the sheet material attached to the SMC panel by a plurality of self threading fasteners.

Inventors

  • 👤 Colin R. Spooner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 13:32
CPC Classifications
B; B62; B62D; B62D29/00; B62D29/001; B62D23/00; B62D27/00; B62D27/02; B62D29/007; B62D29/008; F; F41; F41H; F41H7/00; F41H7/02; F41H7/04; F41H7/044; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31529

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 108 words
A structure comprising: (a) an inner molded plastic body made of glass reinforced plastic; (b) an outer shell of at least one panel of sheet metal affixed thereto; (c) channels formed in said molded plastic body for receiving in-fill panels; (d) at least one in-fill panel attached to said inner body and extending out therefrom, said in-fill panel having generally an "L" shape, the base of said "L" adapted to rest in said channel with the other portion of said "L" shaped panel projecting therefrom and providing a surface to which said sheet metal may be connected; and (e) means connecting said sheet metal to said in-fill panel.
Claim 2
Dependent Claim 108 words
A structure comprising: (a) an inner molded plastic body made of glass reinforced plastic; (b) an outer shell of at least one panel of sheet metal affixed thereto; (c) channels formed in said molded plastic body for receiving in-fill panels; (d) at least one in-fill panel attached to said inner body and extending out therefrom, said in-fill panel having generally an "L" shape, the base of said "L" adapted to rest in said channel with the other portion of said "L" shaped panel projecting therefrom and providing a surface to which said sheet metal may be connected; and (e) means connecting said sheet metal to said in-fill panel.
Claim 3
Dependent Claim 14 words
The invention according to claim 1 wherein said in-fill panels are made of SMC.
Claim 4
Dependent Claim 61 words
The invention according to claim 1 and further comprising a plurality of holes in said projecting portion; a self threading fastener at each of said holes; a flange in an edge of said sheet metal containing matching holes and bolts extending through said hole and matching holes and threaded into said fastening means attaching said sheet metal to said in-fill panel.
Claim 5
Dependent Claim 30 words
The invention according to claim 3, wherein the width of said channel is greater than the width of said base, whereby adjustment of said panel within said channel is possible.
Claim 6
Dependent Claim 15 words
The invention according to claim 4 wherein said matching holes are slotted to permit adjustment.
Claim 7
Dependent Claim 17 words
The invention according to claim 5, wherein said molded glass reinforced plastic body comprises an automobile body.
Claim 8
Dependent Claim 20 words
The invention according to claim 6, wherein said sheet metal comprises stainless steel and said bolts are stainless steel bolts.
Claim 9
Dependent Claim 127 words
The invention according to claim 7 and further including means attaching another part of said sheet metal panel to said molded body directly comprising: (a) said sheet metal bent, at the point of desired contact, so as to form a flange contacting said molded plastic body with a portion of said sheet metal remote from said flange spaced from said body; (b) a hole formed in said sheet body at the desired point of attachment; a rivnut embedded in said molded plastic body at the desired point of attachment; (c) a bolt passing through said hole and threaded into said rivnut; and (d) a lock washer between said bolt and sheet metal material, said bolt and lock washer securing said sheet metal against said molded plastic body.
Claim 10
Dependent Claim 37 words
The invention according to claim 8 wherein said sheet metal panel comprises a fender panel adjacent to a door and said infill panel is at a location defining the door edge, and said direct attachment remote therefrom.
Claim 11
Dependent Claim 160 words
An arrangement for attaching a sheet metal outer body to an inner molded plastic body directly, said sheet metal wrapping around and cladding said body and over most parts of said body being spaced therefrom, comprising: (a) said sheet metal being bent, at the point of desired contact so as to form a flange contacting said molded plastic body with a portion of said sheet metal remote from said flange spaced from said body; (b) a hole formed in said sheet metal at the desired point of attachment; a rivnut embedded in said molded plastic body at the desired point of attachment; (c) a bolt passing through said hole and threaded into said rivnut; (d) a lock washer between said bolt and sheet metal material, said bolt and lock washer securing said sheet metal against said molded plastic body; and (e) resilient bumpers attached to said body at points of close contact with said sheet metal to absorb minor shocks.
Claim 12
Dependent Claim 160 words
An arrangement for attaching a sheet metal outer body to an inner molded plastic body directly, said sheet metal wrapping around and cladding said body and over most parts of said body being spaced therefrom, comprising: (a) said sheet metal being bent, at the point of desired contact so as to form a flange contacting said molded plastic body with a portion of said sheet metal remote from said flange spaced from said body; (b) a hole formed in said sheet metal at the desired point of attachment; a rivnut embedded in said molded plastic body at the desired point of attachment; (c) a bolt passing through said hole and threaded into said rivnut; (d) a lock washer between said bolt and sheet metal material, said bolt and lock washer securing said sheet metal against said molded plastic body; and (e) resilient bumpers attached to said body at points of close contact with said sheet metal to absorb minor shocks.
Claim 13
Dependent Claim 18 words
The arrangement according to claim 10 wherein the hole in said sheet metal is slotted to permit adjustment.
Claim 14
Independent Claim 143 words
A method of directly attaching a sheet metal outer body panel to a molded plastic inner body, said sheet metal wrapping around and cladding said body and over most parts of said body being spaced therefrom, comprising: (a) forming a hole in the plastic body at the desired point of fixing; (b) inserting a rivnut in said hole so as to be rigidly attached to said body; (c) forming a flange containing a hole at the point of desired attachment on said sheet metal panel; (d) attaching said sheet metal panel to said molded plastic body utilizing a bolt extending through said hole in said panel into said rivnut with a lock washer between the head of said bolt and said panel; and (e) disposing resilient bumpers between said body and said sheet metal at points of close contact to absorb minor shocks.
Claim 15
Independent Claim 143 words
A method of directly attaching a sheet metal outer body panel to a molded plastic inner body, said sheet metal wrapping around and cladding said body and over most parts of said body being spaced therefrom, comprising: (a) forming a hole in the plastic body at the desired point of fixing; (b) inserting a rivnut in said hole so as to be rigidly attached to said body; (c) forming a flange containing a hole at the point of desired attachment on said sheet metal panel; (d) attaching said sheet metal panel to said molded plastic body utilizing a bolt extending through said hole in said panel into said rivnut with a lock washer between the head of said bolt and said panel; and (e) disposing resilient bumpers between said body and said sheet metal at points of close contact to absorb minor shocks.

References Cited (Backward Citations)

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US3836192A Cited
US3875661A Cited
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1986-05-09 1986-11-08 1987-05-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1990-05-09 1990-11-08 1991-05-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1994-05-09 1994-11-08 1995-05-10 $7700.00 Window Closed / Lapsed

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