Retracting tucker blade and brush for cylinder folder

Details Retracting tucker blade and brush for cylinder folder Retracting tucker blade and brush for cylinder folder

1976-10-07

1978-06-20

Burr, Edgar S.

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B65H 4516

Patent

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040957802

ABSTRACT:
The tucker blade of a high speed cylinder folder for zig-zag folding a flexible web is retracted into the cylinder immediately after inserting the web into its opposed gripper. As the tucker blade is retracted a brush is extended to push the web gently away from the cylinder and to press the folded edge of the web toward the zig-zag stack.

REFERENCES:
patent: 1346602 (1920-07-01), Johnston
patent: 2703238 (1955-03-01), Hand
patent: 2856184 (1958-10-01), Stobb
patent: 3182991 (1965-05-01), Rodriques
patent: 3528651 (1970-09-01), Eriksen

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