Multi-cavity dispensing refill cartridge

Patent 5289949 Issued on March 1, 1994. Estimated Expiration Date:

June 22, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

825680

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Inventor

Gentile, James L.

Assignee

Chesebrough-Pond's USA Co., Division of Conopco, Inc.

Application

No. 901670 filed on 06/22/1992

US Classes:

222/137, Unitary reciprocating222/153.01, WITH LOCK OR FASTENING SEAL222/327, Part of cartridge or removable container222/386Container with follower

Examiners

Primary: Kashnikow, Andres
Assistant: Pomrening, Anthoula

Attorney, Agent or Firm

Brumbaugh, Graves, Donohue & Raymond

Foreign Patent References

3672544 Marand 06/13/1072
294672 EP. 12/13/1988
0351441 EP 01/13/1990
2095844 FR. 11/13/1972
2020754 GB 11/13/1979

International Class

B67D 005/52

Abstract

A multi-cavity dispensing refill cartridge to be used with a reusable base. The refill cartridge has two hollow, separate parallel cylinders for containing flowable material. The cylinders have a first generally closed end and a second end which accommodates piston heads. The piston heads are compressably engageable with piston rods of the reusable base. Relative compression of the piston heads and cylinders cause flowable material to flow toward the first end of the cylinders and towards the outlet in the closed end. The outlet include means for causing the flowable materials to flow toward each other at the outlet opening. The refill cartridge is provides with means for selectively, engaging the reusable base.