Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With stretching or tensioning means
Patent
1979-05-29
1981-06-09
Wityshyn, Michael G.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With stretching or tensioning means
100 33PB, 156499, 156502, 156522, 156530, B65B 1332
Patent
active
042723140
ABSTRACT:
The hand-operated tensioning and welding apparatus for thermoplastic bands includes a clearance control lever pivotable in a frame, a combined control lever pivotably supported on the clearance control lever and being coupled via an overrunning coupling to a tensioning roller also supported for rotation on the clearance control lever and cooperating with a tensioning bed which is formed on the upper surface of a movable clamping member. A crank arm is supported for rotation about the axis of the combined control lever and cooperates with a delayed action coupling to drive via a linkage a movable heating element for heating the overlapping portions of the thermoplastic band, and further to drive a press ram for compressing the heated band portions and to a cutting device for severing the welded band from a supply roll.
REFERENCES:
patent: 2982069 (1961-05-01), England
patent: 3397105 (1968-08-01), Takami
patent: 3944460 (1976-03-01), Karr
patent: 4063985 (1977-12-01), Kyts
Striker Michael J.
Wityshyn Michael G.
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