Three-point, plug type sealing means for a hollow, cylindrical c

Details Three-point, plug type sealing means for a hollow, cylindrical c Three-point, plug type sealing means for a hollow, cylindrical c

1977-11-22

1980-02-12

Shoap, Allan N.

Pipes and tubular conduits

With closures and plugs

Inflation stem type

131173, 138 96R, 220 69, 220256, 220306, 220355, B65D 5906, A24F 114, A24F 130

Patent

active

041878850

ABSTRACT:
A seal device includes a first, inverted cup-shaped member and a second cup-shaped member within which the first member is disposed. The open, lower end of the first member is provided with a radially outwardly projecting annular flange for engaging the inner peripheral wall of the second member whereby a blind, annular recess is defined by the first and second members for accommodating one end of a hollow container. The peripheral walls of the seal members, as well as the flange of the first member, thus engages at least two primary surfaces of the container thereby defining a three-point, plug type seal therefor. The second member is also provided with a frusto-conical skirt portion which serves as a base or foundation for the container, and if desired, the first and second members may be integrally formed.

REFERENCES:
patent: 2004627 (1935-06-01), Hoeflich
patent: 2336185 (1943-12-01), Moran
patent: 2628840 (1953-02-01), Laube, Jr.
patent: 2644978 (1953-07-01), Becker
patent: 2805017 (1957-09-01), Hill et al.
patent: 2984381 (1961-05-01), Bennett
patent: 3051303 (1962-08-01), Daanen et al.
patent: 3317069 (1967-05-01), Chin
patent: 3583710 (1971-06-01), Burelle
patent: 3612343 (1971-10-01), Phipps
patent: 3661184 (1972-05-01), Lachenmayer
patent: 3744528 (1973-07-01), Vestal
patent: 4029109 (1977-06-01), Kahler
patent: 4031904 (1977-06-01), Karl
patent: 4042143 (1977-08-01), Biggins

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