Method of making a roman shade

Details Method of making a roman shade Method of making a roman shade

1990-05-09

1992-04-14

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156204, 156292, 160 841, 428116, 428188, B32B 312, B32B 3108

Patent

active

051044692

ABSTRACT:
An improved expandable and contractible window covering comprising a series of elongated cells is disclosed. Each cell is formed by joining two pleated sheets of material in the area of opposing creases. The rear wall of the cell is of less height than the front wall of the cell, and the material of the cell is chosen to be relatively soft and flexible, so that the front wall of each cell droops downwardly and outwardly away from the rear wall.

REFERENCES:
patent: 2049518 (1936-08-01), Schier
patent: 4685986 (1987-08-01), Anderson
patent: 4846243 (1989-07-01), Schneider

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