Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Composite article making
Patent
1975-03-12
1976-08-24
Anderson, Philip
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Composite article making
249112, 249127, 264 54, 264259, 264293, 425812, B29D 2704
Patent
active
039767310
ABSTRACT:
A sheet of organic material having a creped or ridged formation is first coated with a film of silicone resin and then overcoated with a layer of a flexible organic resin. Both coatings conform to the ridged surface. The sheet is positioned inside a mold cover. When a plastic mixture is foamed, the top surface of the molded object contacts the flexible organic material on the surface of the sheet and adheres thereto. When the cover is removed, and the sheet peeled off, the molded article has its top surface decorated with the flexible organic sheet material.
REFERENCES:
patent: 3124627 (1964-03-01), Hood
patent: 3431331 (1969-03-01), Pincus et al.
patent: 3493449 (1970-02-01), Krug
patent: 3533899 (1970-10-01), Kapral
patent: 3844523 (1974-10-01), Wilheim
patent: 3895154 (1975-07-01), Kapral
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