Stock material or miscellaneous articles – Collapsible article
Patent
1994-03-09
1997-09-23
Watkins, William
Stock material or miscellaneous articles
Collapsible article
428101, 428119, 428188, 428457, 4289122, 428189, 428223, 22912031, E04B 180
Patent
active
056702205
ABSTRACT:
An insulating batt having two sheets of heat reflective insulating material and connecting means between and connecting sheets together in an overlapping substantially parallel relationship. The connecting means includes a plurality of bracing strips extending between and connected to each of sheets. The bracing strips enable the batt to be adjusted between a collapsed position in which the sheets are closely adjacent, and an operative position in which sheets are mutually spaced. Each bracing strip has two substantially parallel longitudinal fold lines that a bracing web is defined between lines and a respective side margin extends from the web beyond each line. The respective margin of each bracing strip is secured to each of sheets such that the bracing strip web is substantially normal to and defines the spacing between the sheets when batt is in its operative position and such that, moving the batt to its collapsed position, the webs are substantially parallel to sheets. Each of a plurality of partition strips extend longitudinally between the webs of bracing strips. Each partition strip is folded along two substantially parallel fold lines such that a central partition web is defined between the lines and a respective side flange extends from the web beyond each of its lines. Each bracing strip has a respective flange secured to each of webs of successive bracing strips, with the width of each web substantially corresponding to the spacing between its bracing strips when the batt is in its operative position.
REFERENCES:
patent: 4315962 (1982-02-01), Skoien
patent: 4700521 (1987-10-01), Cover
patent: 4808457 (1989-02-01), Kruck et al.
patent: 5030518 (1991-07-01), Keller
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