Flexible or portable closure – partition – or panel – With mounting – fastening – or supporting means
Reexamination Certificate
1999-07-16
2001-01-30
Redman, Jerry (Department: 3634)
Flexible or portable closure, partition, or panel
With mounting, fastening, or supporting means
Reexamination Certificate
active
06179037
ABSTRACT:
FIELD OF THE INVENTION
This invention relates to the process of affixing covering material over openings and more particularly to a process of affixing screen material in a secure fashion over large structural openings such as a building's windows and doors.
BACKGROUND OF THE INVENTION
Means are known for providing temporary or replaceable screening over standard sized windows, often in the context of home or automobile windows. Conventional hook strip and loop strip Velcro
1
fasteners are used to affix screen to a window opening. It is known that a hook strip can be attached to a window frame and a screen is then mounted placed upon the hooks. The hooks themselves act to support the screen. It is also known to apply the loop strip thereafter which fastens onto the hook portion protruding through the screen for added strength.
When larger areas of screening are used however, for large covering openings or for enclosing skeletal framework, the lateral strength of hooks are not adequate to properly support the screen, either during the fitting of the screen, or after applying the loops.
Further, the traditional strip is prone to pull free of the frame structure, the problem becoming-more pronounced as the opening size increases.
SUMMARY OF THE INVENTION
A system is provided for mounting and retaining screen material over openings. Significant lateral tensioning strength is achieved as well as a high resistance to separation of the screen from the opening. The system enables covering of large openings heretofore not previously achieved. Further, covering of openings such as horizontal expanses, involving a large weight of screening material and imposing large lateral loading can be accomplished. Examples would be large screened area enclosures and protective agriculture screen coverage.
More particularly, a screen retention system is provided for installing screen over an opening having a polygonal frame. The system comprises securing a plurality of mounting strips to the frame, each mounting strip having a plurality of posts rising perpendicularly therefrom. Preferably, the mounting strip is first secured to a semi-rigid backing strip which is then secured to the frame. Each post has a substantial girth and has an enlarged head formed at its tip, the underside of the head forming a catch substantially around the entire underside.
Then screen material having regular apertures formed therein, is mounted onto the posts of the mounting strips by pressing the apertures of the screen over the heads of the posts. Once the screen passes the heads, the heads' catches act to retain the screen thereon. The girth of the posts resists lateral forces exerted by tension in the screen.
Then a closure loop strip is installed by entangling the loops with the post heads, the heads' catches acting to retain the loop strip thereon. Preferably the loop strip is secured to a semi rigid capping strip.
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Goodwin Sean W.
Redman Jerry
Zip-in Products Limited
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