Back to results
US 3,940,308 AGranted
Suction pipe with quick disconnect cover
AssigneeAppleton Specialty Products, Inc.
InventorPhillip E. Blanchfield
Life of this patent
Estimating the term…
Abstract
A suction pipe for a paper machine having a tapered seat and a cover and an insert mounted in the seat to provide an air tight seal therewith. The insert and the cover being laterally removable from the seat after sufficient longitudinal travel of the cover to free the insert in the seat.
Claims6
A suction pipe for a paper machine comprising:
- a. a pipe adapted to be connected to a vacuum means, said pipe having a longitudinally extending dovetail seat that is tapered in the longitudinal direction from one end of the seat to the other and slots therethrough extending into the interior of said pipe;
- b. a cover having a tapered configuration complementary to the tapered configuration of said seat and mounted in said seat, said cover having passages therethrough aligned with said slots for conducting a liquid into said pipe;
- and
- c. an insert located between said cover and said pipe in said seat and providing an air tight seal with said pipe and cover, said insert having a portion extending above said seat, said insert being laterally removable from said seat upon longitudinal movement of said cover in said seat away from said air tight position to free said insert, said cover thereby being laterally removable from said seat.
1 more element
Dependencies are inferred from the claim text.