Method for joining plastic materials together

Details Method for joining plastic materials together Method for joining plastic materials together

1995-06-07

1997-02-04

Aftergut, Jeff H.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1563046, 1563099, 269 41, B29C 6520

Patent

active

055994199

ABSTRACT:
A method and apparatus for joining plastic profile members together, particularly to form picture frames. The profile members are held in place by fixture members against a locator member. The locator member is withdrawn and a heated blade positioned between the ends of the profile members. The profile members are moved against the thin blade and the end surfaces are heated to an elevated temperature. The blade is removed and the ends are welded together. During a cooling period, the retracted blade can be cleaned as desired by a blade cleaning mechanism. After the joined profiles are removed, the members are returned to positions to begin another cycle.

REFERENCES:
patent: 3276941 (1966-10-01), Burns
patent: 4931618 (1990-06-01), Nagata et al.
patent: 4978408 (1990-12-01), Burford et al.
patent: 5006198 (1991-04-01), Pasquini

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