Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With means shaping – scarifying – or cleaning joining surface...
Patent
1996-11-18
1998-03-10
Simmons, David A.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With means shaping, scarifying, or cleaning joining surface...
1563042, 156510, 83 59, B32B 3100
Patent
active
057257248
ABSTRACT:
A facer for use with a plastic pipe butt fusion machine, the machine being of the type that supports two lengths of plastic pipe in spaced apart, end-to-end relationship. The facer has a housing supportable to a butt fusion machine that includes a driven gear rotatably with first and second paralleled facer plates affixed to opposed surfaces of the driven gear. Each facer plate has shapers that, when forced against the ends of plastic pipe shave off portion of the pipe so that the ends become uniform and perpendicular to the longitudinal axis of the pipe. A motor is supposed to the housing and includes a drive shaft having a drive gear that is coupled to the driven gear by a chain. An overriding clutch connects the motor drive shaft to the drive gear. A crank is removably connectable to the drive gear so that the drive gear can be rotated manually by means of the crank and when so rotated, the drive gear freely rotates upon the motor shaft as permitted by the overriding clutch so that the motor shaft is not rotated thus permitting use of the facer when electricity is not available, or under conditions wherein the possibility of a potentially explosion igniting spark must be avoided.
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Andrew Bill Dean
Goswick Richard Leroy
Rivard Paul M.
Simmons David A.
TDW Delaware Inc.
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