Apparatus for making pile weatherstripping

Details Apparatus for making pile weatherstripping Apparatus for making pile weatherstripping

1977-02-28

1978-05-23

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Longitudinally progressive helical winding means

156435, 156439, 156500, D04H 1108, B65H 8106

Patent

active

040909107

ABSTRACT:
A pile weatherstripping has a continuous length of a resin anchorage base with even lengths of filaments secured to opposite sides of the base along the length of the base and extending away from the base in the same general direction on each side of the base. The filaments are long enough and dense enough to form insulating pile rows extending out of a retainer slot in which the anchorage base has an interference fit. A sheet resin fin preferably extends continuously outward from the base between the filaments on the opposite sides of the base, and such a weatherstripping is preferably made by wrapping a multifilament yarn around a plurality of bases, securing the yarn to opposite sides of the bases, and then slitting to separate each individual weatherstrip.

REFERENCES:
patent: 3322610 (1967-05-01), Brooks et al.
patent: 3360410 (1967-12-01), Romanin
patent: 3677851 (1972-07-01), Kayser

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