Manufacturing container or tube from paper; or other manufacturi – With cutting – breaking – tearing – or abrading – And with bending
Patent
1978-07-24
1981-08-25
Baldwin, Robert D.
Manufacturing container or tube from paper; or other manufacturi
With cutting, breaking, tearing, or abrading
And with bending
83665, 493336, 493474, B26D 726
Patent
active
042856841
ABSTRACT:
A ring-like head for a slitter-corrugator having an interiorly located spring-pressed pad for pressure contact with an air shaft to preclude inadvertent side shifting of the head at set-up time. The pad has a chamfered peripheral edge for ready movement over edge portions on the shaft.
REFERENCES:
patent: 143907 (1873-10-01), Hyde
patent: 1033040 (1912-07-01), Staude
patent: 1046078 (1912-12-01), Klotz
patent: 1057097 (1913-03-01), Smith
patent: 1084785 (1914-01-01), Burpee
patent: 1091204 (1914-03-01), Ferres
patent: 1974124 (1934-09-01), Riebel et al.
patent: 4006671 (1977-02-01), Ochs
Baldwin Robert D.
Tidland Corporation
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