Caulking tube air escape structure

Details Caulking tube air escape structure Caulking tube air escape structure

1997-04-16

1998-05-12

Derakshani, Philipe

Dispensing

With discharge assistant

Insertable cartridge or removable container

B65D 8854

Patent

active

057494991

ABSTRACT:
An improved tube for handling fluent materials such as caulking includes a plurality of ribs that form air escape spaces. The ribs extend inwardly from an inner peripheral wall of the tube for a very small distance. The ribs form an air space between a plunger and the tube allowing air to escape rearwardly of the plunger. In another feature of this invention, a color plastic sleeve is received on a nozzle for the tube to provide an identification of the color of the caulking received within the tube.

REFERENCES:
patent: 2941694 (1960-06-01), Harman
patent: 4768954 (1988-09-01), Dragan
patent: 4852772 (1989-08-01), Ennis, III
patent: 4934570 (1990-06-01), Bamberger et al.
patent: 5249709 (1993-10-01), Duckworth et al.
patent: 5628433 (1997-05-01), Binder

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