B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
164/20
B29D 30/46 (2006.01) B26D 7/08 (2006.01)
Patent
CA 1310897
-30- ABSTRACT OF THE DISCLOSURE An apparatus and improved method for transversely cutting strips of deformable material with a rotating cutting blade which is moved generally transversely across the strip at a predetermined rake angle and bevel angle. A vacuum applied to certain chambers of a platen draws the strip firmly against a supporting structure at two locations on opposite sides of a cutting line during the cut cycle. A lubricant is sprayed through nozzles onto the blade as it cuts the strip and blow-off nozzles remove excess lubricant during the cut and return cycles of the blade to prevent contamination of the cut strip edges. A release bar assists in disengaging the strip from the platen after the strip is cut. Grippers remove the cut strip and then an input conveyor advances the remaining strip toward the cutting line where the grippers pull the strip forward to a predetermined position for the next cut cycle. The design of the cutting blade and its speed of rotation and transverse movement across the strip in combination with the lubrication of the blade and removal of excess lubricant provide cut strip ends relatively free of contamination for subsequent joining on a drum as in a tire building process.
559601
Firestone Tire & Rubber Company (the)
Swabey Ogilvy Renault
LandOfFree
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