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US 4,720,936 AGranted
Extruded weather strip structure
AssigneeAstro Plastics, Inc.
InventorRobert T. Ellingson
Life of this patent
Estimating the term…
Abstract
A weather strip construction for windows and doors having in combination leaf and compression dual durometer type sealing elements which co-act to accommodate sliding and meeting engagements of surfaces for effective weather sealing.
Claims4
An elongated weather strip structure, as for a casement window, having in combination
- a body member of a hard resilient material,
- a leg portion of said body member adapted to be inserted into a slot in a frame member of said window,
- means retaining said leg portion in said slot,
- an arm portion of said body member angled oppositely of said leg portion and forming an acute angle with said body member, and
- a member of form retaining compressible material integral with an adjacent free end portion of said arm disposed between said arm portion and said body member and co-acting therewith in forming a weather seal.
2 more elements
Dependencies are inferred from the claim text.