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US 5,181,354 AGranted
Barrier panel
AssigneeTri-Mark Metal Corporation
InventorsRobert A. Krueger, Michael K. Krueger
Life of this patent
Estimating the term…
Abstract
A barrier panel for enclosures and shield with a self-supporting framework of rigid tubes encompassing at least one through opening. The opening is enclosed by a cover sheet of flexible plastic film releasably secured to the framework by snap-on clips and a complementary retainer attached to a side face of the framework.
Claims15
A barrier panel comprising:
- a self-supporting rigid framework with frame members encompassing at least one through opening, said frame members are hollow tubes with a closed cell generally rectangular cross section with an outer peripheral surface completely enclosing an inner surface, at least one pair of retainer and clip clamping members which are complementary, axially elongate, substantially encompass the through opening and can be releasably assembled with a cover sheet between them, one of the retainer and clip members being located on the exterior of the frame members and a side face of the framework, in cross section the periphery of said retainer being generally circular, said clip member being of plastic and somewhat resilient and in cross section having a generally C-shape with side edges spaced apart and terminating at a distance less than the outside diameter of said retainer member;
- and a cover sheet of a flexible material over the through opening and releasably secured to the framework by being received between the retainer and clip members.
Dependencies are inferred from the claim text.