Process and equipment for making hexagon insulating shade

Details Process and equipment for making hexagon insulating shade Process and equipment for making hexagon insulating shade

1987-03-11

1989-01-03

Epstein, Henry F.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156292, 156474, 160 841, 428116, 428181, B32B 312

Patent

active

047955155

ABSTRACT:
A method of making a series of expandable tubular polygons by simultaneously pleating and joining two adjacent sheets of fabric.

REFERENCES:
patent: 4603072 (1986-07-01), Colson
patent: 4677012 (1987-06-01), Anderson
patent: 4685986 (1987-08-01), Anderson

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