Closure and access systems for containers and methods of manufacture and use

Patent 5100009 Issued on March 31, 1992. Estimated Expiration Date:

August 15, 2009. 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

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Inventors

Assignee

Tri-Tech Systems International Inc.

Application

No. 394104 filed on 08/15/1989

US Classes:

215/341, With identifiable, integral, or separate gasket, seal, or liner220/619, Joint bent or rolled outwardly220/620Joint bent or rolled inwardly

Examiners

Primary: Foster, Jimmy G.

Attorney, Agent or Firm

Hedman, Gibson, Costigan & Hoare

Foreign Patent References

764429 BE. 03/22/1971
0049376 EP. 10/22/1981
1811318 DE. 07/22/1969
2829755 DE. 01/22/1980
3523771 DE. 01/22/1987
555468 FR. 03/22/2013
2378639 FR. 01/22/1973
2306135 FR. 04/22/1976
351515 CH. 01/22/1961
607702 CH. 08/22/1975
788148 GB. 08/22/2013
930866 GB. 08/22/2013
1024762 GB. 10/22/1962
1048727 GB. 03/22/1965

International Class

B65D 041/04

Abstract

A container-closure system is provided for housing or containerizing a product, which comprises a container body having at least one free end about its perimeter which forms an opening on said container for receiving or discharging said product, and an end portion having a central lid portion and a free end about its perimeter, wherein the end portion is positioned adjacent the container opening such that the container body and end portion free ends are joined together as a seam about the container body opening periphery to join the container end portion to the container body, and to form an annular curled seam projection comprising at least a single curled wall of plastic integral with the container body free end periphery or the end portion free end; and wherein the thus formed annular curled seam projection provides a compressible surface adapted for engaging a cap in sealing arrangement.