Continuous web of flexible plastic strips for strip door...

Details Continuous web of flexible plastic strips for strip door... Continuous web of flexible plastic strips for strip door...

2005-08-23

2005-08-23

Pyon, Harold (Department: 1772)

Stock material or miscellaneous articles

Sheet, web, or layer weakened to permit separation through...

C428S131000, C428S156000, C160S032000, C160S115000, C160S130000

Reexamination Certificate

active

06933030

ABSTRACT:
A continuous web of flexible plastic strips, for use in a flexible strip door system, the continuous web of flexible plastic strips having uninterrupted cuts, of a depth less than the thickness of the web, arranged along lines which are perpendicular to the longitudinal edges of the web. Remaining material of the web, which is located below each cut, provides sufficient strength along the length of the web to prevent severing during routine handling, but allows for manual tearing of the web along the cuts when the web is subjected to opposing forces perpendicular to upper and lower faces of the web on either side of the cut.

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