Method for applying molded silicone design elements onto substrates

• US 6,139,787 A
• Filed: 10/24/1996
• Issued: 10/31/2000
• Est. Priority Date: 10/24/1996
• Status: Expired due to Fees

• Current Assignee: Kiazen Design Lab, Inc.
• Original Assignee: Ubertech Texas, Inc. (PVH Corp.)
• Inventors: Harrison, Donald G.
• Primary Examiner(s): Silbaugh, Jan H.
• Assistant Examiner(s): Staicovici, Stefan
• Application Number:
  US08/736,097
• Time in Patent Office: 1,468 Days
• Field of Search: 264/257, 264/245, 264/132, 264/DIG. 65, 264/322, 264/246, 264/247, 264/328.2, 264/328.8, 264/328.16, 264/259, 264/260, 264/274, 264/265, 264/327, 264/251
• US Class Current: 264/247
• CPC Class Codes: B29C 39/10 incorporating preformed parts or layers, e.g. casting around inserts or for coating articles coating a surface by casting in general B05D1/30, B29C39/126 takes precedence
• CPC Class Codes: B29C 39/12 Making multilayered or multicoloured articles B29C39/021 takes precedence
• CPC Class Codes: B29K 2101/10 Thermosetting resins
• CPC Class Codes: B29K 2313/00 Use of textile products or fabrics as reinforcement B29K2105/06 takes precedence
• CPC Class Codes: B29K 2711/12 Paper, e.g. cardboard

Abstract

A method for applying molded silicone design elements onto substrates is provided. The apparatus and method of the present invention use a cold-mold injection molding process to apply molded silicone design elements onto substrates, including delicate substrates such as fabrics and paper. A cold-mold injection molding process is used to avoid tearing, burning or otherwise damaging the substrates. The molded silicone design elements are preferably multi-colored and three-dimensional. The design elements may include foreground elements and background elements of varying colors and dimensions, which together form an overall artistic design in relief. The molded silicone design elements may also be textured.

Claims

1. A method of applying a molded design element onto a substrate, comprising:

placing an injection mold having at least one open cavity into tight engagement with the substrate such that the at least one open cavity communicates with a first surface of the substrate;

injecting a thermosetting material into the at least one open cavity of the mold to fill the mold while the mold is at a temperature below the curing temperature of the thermosetting material so that said thermosetting material penetrates said first surface of the substrate and forms a substrate-thermosetting material interface;

supplying heat to a second surface of the substrate during said step of injecting the thermosetting material to cause the thermosetting material to cure in said interface and preventing bleeding of the injected thermosetting material through said second surface; and

supplying heat to the mold after the thermosetting material is injected into the mold, the heat supplied to the mold being sufficient to cure remaining thermosetting material within the mold, the cured thermosetting material adhering to the substrate to form the molded design element.

2. The method of claim 1, wherein:

the mold comprises a plurality of separated, open cavities;

the step of injecting thermosetting material comprises injecting thermosetting material of a plurality of colors into the separated, open cavities such that each of the separated, open cavities contains said thermosetting material of one of the plurality of colors; and

the step of supplying heat to the mold comprises curing the thermosetting material of each of the plurality of colors to form a multi-colored molded design element.

3. The method of claim 1, wherein the thermosetting material penetrates the substrate before the curing of the thermosetting material.

4. The method of claim 3, wherein the thermosetting material partially penetrates the substrate before the curing of the thermosetting material.

5. The method of claim 1, wherein the thermosetting material comprises silicone.

6. The method of claim 1, wherein the substrate comprises a fabric.

7. The method of claim 1, wherein the substrate comprises a garment.

8. The method of claim 1, wherein the substrate comprises paper.

9. The method of claim 1, wherein molded design element is textured.

10. The method of claim 1, wherein the molded design element is three-dimensional.