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Class 217/108 - Expanding


Subclass of Class 217 - Wooden receptacles
Definition: Locking-bungs in which parts expand into frictional or interlocking
No. of patents: 6
Last issue date: 10/02/2001


NumberTitleIssue Date
6296136Obturator with improved retention in a metal sheet aperture
An obturator for an aperture (8) produced in a metal sheet (9) has a central dome (1), a peripheral lip (3) and an annular part (3) extending between the dome (1) and the lip (2). The annular part (3) has a shoulder (4). The dome (1) is adapted to deform ...
10/02/2001
5740935Bung hole plug
A bung hole plug formed of resilient synthetic material interfitted between a front and back plate. A threaded post is attached to the back plate, and used, in conjunction with a lock washer and nut, to draw the front and back plates together, thereby squ...
04/21/1998
4582209Sealing bung
Drums or vessels with bungs or orifices having generally cylindrical walls with edges capable of being sealed-against are sealed with closures that deform into contact with those edges and provide seals that are tamper proof....
04/15/1986
4287996Flexible closures and closure for bung openings
The problem of providing tight-fitting closures for containers is solved by the closures and the methods of installing and removing closures utilizing a closure (20) which includes a central portion (21) and an annulus portion (22) hingedly connected to t...
09/08/1981
4227625Sealing lid and sealing lid-container combination
A lid for a plastic container, which container is particularly useful for containing paint, includes a sealing flange which engages the inner surface of a rim defining the opening of the container. The sealing flange is held in engagement with the rim by ...
10/14/1980
3982649Bung for a barrel
A bung for the bung orifice of a pressurized beer barrel and the like including an outer shell having an external wall surface adapted for sealing engagement with the wall of the bung orifice and a closure head extending radially inwardly from an attachme...
09/28/1976
 
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