Plastic core for an elastically shrinkable tubular cover

Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing

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29235, 138122, 174135, 174 84R, F16L 1100

Patent

active

045031053

ABSTRACT:
A hollow tubular core for supporting an elastic tubular cover member in a highly radially stretched condition comprises a cylindrical plastic tube having a plurality of circumferentially spaced, axially extending lugs on the inner wall of the tube and a continuous helical cut in the wall of the tube from the exterior surface thereof severing the tube into a continuous narrow strip with only the lugs connected axially along the length of the tube.

REFERENCES:
patent: 3515798 (1970-06-01), Sievert
patent: 4338970 (1982-08-01), Krackeler et al.
patent: 4389440 (1983-06-01), Keith

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