E - Fixed Constructions – 04 – C
Patent
E - Fixed Constructions
04
C
E04C 3/02 (2006.01) B21D 5/12 (2006.01) E04C 3/07 (2006.01) E04C 3/40 (2006.01) E04B 1/58 (2006.01) E04C 3/04 (2006.01)
Patent
CA 2347880
A rigid tubular member of variable length and rectangular cross-section adapted to be sized, flared and conjoined with at least one other rigid member to create a variety of tubular member frameworks for greenhouse construction, and the like. Each member is provided with a plurality of elongate, linear groovings, either located proximal to, or coincident with, the external and/or internal elongate seams of the member, with the inscribed sets of groovings are such being of a depth sufficient to facilitate separation under manual force of at least one, up to four, of the end sidewall segments, providing flared end segments, either disposed at right or acute angles, which segments are adapted to be fastened to another rigid member in any of several locations, along it, in the course of a framework erection.
Gowling Lafleur Henderson Llp
Keil Kurt A.
LandOfFree
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