Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Means joining flexible indefinite length or endless bodies...
Patent
1989-09-15
1992-03-24
Simmons, David A.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Means joining flexible indefinite length or endless bodies...
1563046, 1563082, 156381, 156382, B29C 6500
Patent
active
050985132
ABSTRACT:
A method and apparatus for joining members made of thermoplastic material are provided wherein cut edges of such members and portions of the members adjoining the edges are heated to a selected temperature to define plasticized edge portions and the plasticized edge portions are moved to bring the edges in contact with each other while shielding same from ambient air to thereby enable fusion of the plasticized edge portions with minimum flashing and carbonization of the thermoplastic material. A heating device for use with the apparatus and method of this invention is also provided.
REFERENCES:
patent: 3959057 (1976-05-01), Smith
patent: 4390578 (1983-06-01), Brooks
Engel, Jr. James J.
Simmons David A.
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