Cutting – Processes – With preparatory or simultaneous ancillary treatment of work
Patent
1981-05-15
1983-08-23
Yost, Frank T.
Cutting
Processes
With preparatory or simultaneous ancillary treatment of work
83176, 83454, 834661, 83581, B26D 702, B26D 708
Patent
active
043997252
ABSTRACT:
A strip of plastic material is cut by clamping the strip and then moving a cutting blade from a retracted position to a first position in cutting engagement with the strip. Simultaneously a supporting blade in overlapping relation with the cutting blade is moved to the first position for lifting the strip. The movement of the supporting blade stops at the first position and the cutting blade movement is continued through the strip. The cutting surface of the cutting blade is recessed adjacent the cutting edge so that upon movement of the cutting blade the contact with the strip is minimized to prevent the formation of burrs on the severed ends of the strip. After the strip is severed the cutting blade is retracted to the first position. From the first position, the cutting blade and supporting blade are moved to a fully retracted position and the strip unclamped so that the severed portion of the strip can be removed and the remaining portion of the strip moved into position for the next cut.
REFERENCES:
patent: 2293721 (1942-08-01), Engler
patent: 2539240 (1951-01-01), Firestone
patent: 4213385 (1980-07-01), Dahlem
Lacher Frederick J.
Lewandowski T. P.
The Goodyear Tire & Rubber Company
Yost Frank T.
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