Cellular panel and method and apparatus for making the same

Details Cellular panel and method and apparatus for making the same Cellular panel and method and apparatus for making the same

E - Fixed Constructions

04

B

E04B 1/62 (2006.01) E06B 9/262 (2006.01) E06B 9/266 (2006.01)

Patent

CA 2153642

An expandable and contractible cellular panel 10 comprises a plurality of parallel, aligned, elongated tubular sections 12 secured together at the median region of their adjacent longitudinal margins to form the panel 10. The adjacent tubular sections 12 of the panel 10 are made of a pair of substantially identical separate strips of sheet material from those forming the other adjacent tubular sections 12. The various adjacent pairs of strips are laminated together along their confronting longitudinal margins. Each strip is made of at least two separate flexible substrate sheets 18, 20 having completely different appearances, and are secured together by welding together their longitudinal margins. The corresponding substrate sheets 18, 20 of all the strips have corresponding positions in the panel 10, so that all the substrate sheets having one appearance are on one side of the panel 10 and those having a different appearance are on the other side of the panel 10, and the welded portions 28, 28' are located in the laminated portion of the strips where they are hidden from view.

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