Movable or removable closures – Closure seal; e.g. – striker gasket or weatherstrip – Anchored in channel or slot in closure or portal frame
Patent
1976-06-18
1977-12-27
Kannan, Philip C.
Movable or removable closures
Closure seal; e.g., striker gasket or weatherstrip
Anchored in channel or slot in closure or portal frame
264321, E06B 723
Patent
active
040646548
ABSTRACT:
Weather-stripping especially for slidable closures such as windows, wherein the weather-stripping comprises a flexible plastic foam substrate provided on at least a part of its outer surface with a tough abrasion resistant skin. The weather-stripping is compressed into a confining channel in one closure member, and is provided with flocked fibers extending away therefrom to engage a second closure member to prevent the infiltration of air and water. The substrate may preferably comprise ionomer plastic foam. The outer skin may be of the same material as is the cellular substrate or it may be a different material, e.g. laminated to at least one side of the cellular substrate to provide a smooth yet abrasion resistant surface. Specific cross-sectional shapes of weather-stripping are disclosed, together with manufacturing methods wherein the weather-stripping is shaped while in sheet form and then is slit into strips for insertion into the channel member.
REFERENCES:
patent: 1877729 (1932-09-01), Chaffee
patent: 3077250 (1963-02-01), Goldberg
patent: 3123656 (1964-03-01), Rochlin
patent: 3126591 (1964-03-01), Hamilton
patent: 3166332 (1965-01-01), Olson
patent: 3170967 (1965-02-01), Williams et al.
patent: 3261133 (1966-07-01), Herr et al.
patent: 3266190 (1966-08-01), Jackson
patent: 3404487 (1968-10-01), Johnson
patent: 3420002 (1969-01-01), Kondolf
H. G. Olson & Co., Inc.
Kannan Philip C.
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