Sealant cartridge

Details Sealant cartridge Sealant cartridge

1992-11-19

1993-09-07

Shaver, Kevin P.

Dispensing

With discharge assistant

Container with follower

B65B 700

Patent

active

052420914

ABSTRACT:
The sealant cartridge of the invention utilizes a specially designed plunger in a standard cartridge body for storing and dispensing air-curable sealants. The plunger has a plurality of grooves formed in its circumferential surface. With the plunger removed, the cartridge body can be filled with sealant through its open end. When the plunger is inserted into the open end of the cartridge body, air that is entrapped between the plunger and sealant escapes through the grooves and sealant is then extruded therethrough. The sealant in the grooves cures, protecting the sealant stored in the cartridge from contact with the atmosphere.

REFERENCES:
patent: 2093386 (1937-09-01), Tear
patent: 3442424 (1969-05-01), Prussin et al.
patent: 4134523 (1979-01-01), Hansen et al.
patent: 4579259 (1986-04-01), Hirao et al.
patent: 4854485 (1989-08-01), Collins
patent: 5056690 (1991-10-01), Ichihara et al.
patent: 5065900 (1991-11-01), Scheindel
patent: 5133485 (1992-07-01), Ohno

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