Wide ultra high molecular weight polyethylene sheet and...

Details Wide ultra high molecular weight polyethylene sheet and... Wide ultra high molecular weight polyethylene sheet and...

2011-03-15

2011-03-15

O'Hern, Brent T (Department: 1783)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C139S38300A, C156S194000, C156S304600, C428S107000, C428S156000, C428S213000, C428S364000, C429S144000

Reexamination Certificate

active

07905971

ABSTRACT:
A wide sheet of highly oriented ultra high molecular weight polyethylene comprising a plurality of strips of highly oriented ultra high molecular weight polyethylene partially overlapped or abutted longitudinally to define joints between adjoining strips wherein the thickness of the joint is less than about 80% of the thickness of the sum of the thicknesses of the adjoining strips that make up the joint. A continuous method for the production of such materials comprising subjecting longitudinally overlapping or abutted strips of these materials to temperatures below the melting point of the UHMWPE and pressures over 300 pli is also disclosed.

REFERENCES:
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patent: 2005/0031943 (2005-02-01), Call
patent: 1 627 719 (2006-02-01), None

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