Side body molding for attachment to a vehicle body

• US 4,808,450 A
• Filed: 07/10/1986
• Issued: 02/28/1989
• Est. Priority Date: 09/12/1983
• Status: Expired due to Fees

• Current Assignee: Sterling Engineered Products, Inc.
• Original Assignee: Sterling Engineered Products, Inc.
• Inventors: Guy, Robert R.
• Primary Examiner(s): Epstein, Henry F.
• Application Number:
  US06/884,101
• Time in Patent Office: 964 Days
• Field of Search: 428/31, 428/40, 428/158, 428/159, 428/160, 428/319.7, 293/128
• US Class Current: 428/31
• CPC Class Codes: B29C 44/321 the preformed part being a lining, e.g. a film or a support lining
• CPC Class Codes: B29C 44/505 extruding the compound through a flat die in general B29C48/03
• CPC Class Codes: B29C 44/56 After-treatment of articles, e.g. for altering the shape
• CPC Class Codes: B29C 48/0014 producing flat articles having components brought in contact outside the extrusion die
• CPC Class Codes: B29C 48/07 Flat, e.g. panels
• CPC Class Codes: B29C 48/12 Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
• CPC Class Codes: B29C 48/21 the layers being joined at their surfaces
• CPC Class Codes: B29L 2031/58 Upholstery or cushions, e.g. vehicle upholstery or interior padding mattresses, cushions B29L2031/751
• CPC Class Codes: B32B 5/18 characterised by features of a layer of foamed material
• CPC Class Codes: Y10T 428/249988 Of about the same composition as, and adjacent to, the void-containing component
• CPC Class Codes: Y10T 428/249992 Linear or thermoplastic

Abstract

The present invention concerns an apparatus and process for producing an improved extruded plastic material product which consists of an inner foamed thermoplastic cellular core and an outer non-porous thermoplastic skin extending along at least one side of the core. In the process, a foamable thermoplastic material is extruded through a first die outlet to produce a foamed thermoplastic material. After exiting the die outlet, a film of non-porous thermoplastic material is applied along at least one side of extruded foamed material. Next, the extruded foamed material and the non-porous film is fed through a forming die which shapes and seals the materials into the desired cross-sectional shape.

Claims

1. A molding of predetermined cross sectional design comprising:

a core of foamed thermoplastic material having an open or porous surface area and an opposite surface for attachment to a structure; and

an outer film or skin of substantially non-porous thermoplastic material superimposed on and integrally sealed to the porous surface area of said core, said outer film and core being shaped and integrally sealed together after superimposition to provide said predetermined cross sectional design.

2. The molding defined in claim 1, wherein both said thermoplastic materials are polyvinylchloride.

3. The molding defined in claim 1, wherein said core and outer skin are composed of different but compatible thermoplastic materials.

4. A side body molding of predetermined cross sectional design for attachment to a vehicle body comprising:

a core of foamed thermoplastic material having a first surface area and an opposite surface for attachment to the vehicle body; and

an outer skin of substantially non-porous thermoplastic material superimposed on and integrally sealed to said first surface of the core and including an exposed surface having a glossy finish, said skin and core being simultaneously shaped and integrally sealed together after superimposition to provide said predetermined cross sectional design.

5. The molding defined in claim 4, wherein said outer skin is substantially transparent, and including a decorative film interposed at selected locations between said core and said outer skin.

6. The molding defined in claim 4, including a decorative pigment dispersed within said outer skin.

7. The molding defined in claim 4, wherein the density of said core is approximately 70 percent of the density of said outer skin.

8. The molding defined in claim 4, wherein said outer skin has a thickness in the range of from 0.3 to 1 mm