Sectional slat for closure by curtain, and respective closing cu

Details Sectional slat for closure by curtain, and respective closing cu Sectional slat for closure by curtain, and respective closing cu

1989-10-20

1991-09-24

Purol, David M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Strip or slat structure

160201, 1602291, E06B 900

Patent

active

050506641

ABSTRACT:
Two substantially symmetrical half-slats are joined by an integral flexible joint to form a one-piece articulated slat. Adjacent slats rigidly interlock by cooperation of a projecting rib on one slat and a correspondingly shaped groove on the other slat to form an articulated curtain. The flexible joints are bendable in two directions and coextruded with the half-slats.

REFERENCES:
patent: 2311470 (1943-02-01), Ritter
patent: 2411902 (1946-12-01), Skelly
patent: 2458537 (1949-01-01), Skelly
patent: 3062338 (1962-11-01), Ridder et al.
patent: 3076500 (1963-02-01), Zoll et al.
patent: 3460878 (1969-08-01), Peterson et al.
patent: 3814493 (1974-06-01), Radke
patent: 4217012 (1980-08-01), Klaus
patent: 4413489 (1983-11-01), Hogue
patent: 4563381 (1986-01-01), Woodland
patent: 4795206 (1989-01-01), Adams
patent: 4850144 (1989-07-01), Grisham et al.

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