Mechanical blanket clamp in rotating head assembly

Details Mechanical blanket clamp in rotating head assembly Mechanical blanket clamp in rotating head assembly

1996-10-16

1997-12-23

Hastings, Karen M.

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

162272, 492 22, 492 45, D21F 302

Patent

active

057003572

ABSTRACT:
The Extended Nip press apparatus of this invention has an endless loop nip blanket which is clamped at each end head by a circular array of twelve clamp segments which are positioned radially by the hydraulic actuation of an axially positionable circumferential clamp ring. The blanket is separately sealed by an air tube seal which extends between the clamp ring and the interior of the blanket. Because the clamping arrangement is independent of the seal, inadvertent loss of air pressure will not cause the blanket to become unclamped.

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patent: 5141601 (1992-08-01), Karlsson et al.
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