Stock material or miscellaneous articles – Sheets or webs edge spliced or joined
Patent
1978-10-23
1980-04-29
Bell, James J.
Stock material or miscellaneous articles
Sheets or webs edge spliced or joined
156 86, 156157, 156215, 156272, 156334, 428 66, 428 68, 428251, B32B 300
Patent
active
042006767
ABSTRACT:
The ends of heat-recoverable polymeric sheet material are joined by overlapping the ends and bonding them together by means of a laminar panel comprising a layer of a crosslinked hot-melt adhesive coated on one surface of a reinforced polymer layer. The panel has a width approximately that of the sheet material being joined. The panel is disposed, adhesive side down, so that approximately half of its adhesive coated surface contacts the sheet material on either side of the line defined by the uppermost of the overlapping ends. The panel is heated to activate the adhesive and form a secure bond joining the ends. Heat-recoverable sleeves can be made by joining the opposing ends of a single length of heat-recoverable sheet material.
REFERENCES:
patent: 2936261 (1960-05-01), Cole
patent: 3770556 (1973-11-01), Evans et al.
patent: 3899807 (1975-08-01), Sovish
patent: 3959052 (1976-05-01), Stanek
patent: 3975039 (1976-08-01), Penneck et al.
patent: 3991243 (1976-11-01), Biddell
patent: 4127688 (1978-11-01), Bieler et al.
Caponigro Dennis A.
Lopez Eugene F.
Bell James J.
Raychem Corporation
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