Process and apparatus for preparing double edge on flexible shee

Details Process and apparatus for preparing double edge on flexible shee Process and apparatus for preparing double edge on flexible shee

1974-03-11

1976-08-31

Kucia, Richard R.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Reshaping running or indefinite-length work

93 1E, 156202, 264339, B29C 1500

Patent

active

039781917

ABSTRACT:
This invention relates to a process and apparatus for applying a double edge to any flexible sheetlike material by bending over a portion of the sheet edge on each side of said sheetlike material. The sheetlike material must then be cured or made rigid by heating. The entire process and the apparatus also is handled as an integral operation with the forming and curing of the flexible sheet.

REFERENCES:
patent: 2779388 (1957-01-01), Quoss
patent: 2781818 (1957-02-01), Beckman
patent: 2848751 (1958-08-01), Vernon
patent: 3399096 (1968-08-01), Ranger
patent: 3850085 (1974-11-01), Klemm

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