Fluid handling – Destructible or deformable element controlled – Heat destructible or fusible
Patent
1990-09-06
1991-12-31
Rivell, John
Fluid handling
Destructible or deformable element controlled
Heat destructible or fusible
2853322, 285379, 285917, F16K 1740
Patent
active
050763130
ABSTRACT:
A fusible plug structure is provided for use on a refrigeration system component. Among the features of the invention is means of a novel character for connecting a gasket or sealing member to one end of a fusible plug body, which assures a proper and effective seal when the plug body is assembled with a companion female fitting member fixed to the refrigeration system component. The connecting means markedly facilitates proper placement of the sealing member regardless of the particular position of the female fitting and supporting refrigeration system component. The connecting means may take various forms, and illustrative thereof is a substance such as oil or grease. Alternatively, one end of the fusible plug body may be so configured as to receive the sealing member in close fitting contact therewith. The sealing member itself may be variously configured. It is also within the purview of the invention, in order to avoid excessive rotation of the gasket or sealing member with respect to a mating surface within the female fitting, to provide restraining means on the mating surface. By so proceeding, or by other variations to the invention, galling of the sealing member is substantially entirely eliminated.
REFERENCES:
patent: 954549 (1910-04-01), Turner
patent: 1133320 (1915-03-01), Rockwood
patent: 2362686 (1944-11-01), DeLano
patent: 2696395 (1954-12-01), Ellis
patent: 3139103 (1964-06-01), Bottum
patent: 3139294 (1964-06-01), Richards, Jr.
patent: 3396995 (1968-08-01), Burnside
patent: 3413017 (1968-11-01), Hughey
patent: 3492834 (1970-02-01), Grantham
patent: 4570981 (1986-02-01), Fournier et al.
Bottum, Jr. Edward W.
Bottum, Sr. Edward W.
Claeboe Bertram F.
Rivell John
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