Joint structure for coupling components in a joint portion...

Details Joint structure for coupling components in a joint portion... Joint structure for coupling components in a joint portion...

2005-09-20

2005-09-20

Hewitt, James M. (Department: 3679)

Pipe joints or couplings

Molded joint

Weld

C285S288500, C285S331000

Reexamination Certificate

active

06945568

ABSTRACT:
In a joint structure for coupling a first component (21) to a second component (22) in a joint portion of a fluid flow passage, the second component (22) has a portion thereof inserted into the first component (21) to engage with the first component (21). The second component (22) is provided with a flange portion (26), which is disposed adjacent to a bottom surface of the first component (21) and welded or bonded to the bottom surface, so that these components (22, 21) are coupled with each other in an easy and a fluid-tight manner in a condition in which they are prevented from rotating relative to each other without using any locking pin. There is no fear that the components (22, 21) dissolve in a fluid or gaseous material passing through the fluid flow passage. The joint structure is easy in maintenance.

REFERENCES:
patent: 1474586 (1923-11-01), Hanrahan
patent: 2284216 (1942-05-01), Kunkel
patent: 4099706 (1978-07-01), Steele et al.
patent: 5348354 (1994-09-01), Badoureaux
patent: 5636875 (1997-06-01), Wasser
patent: 5685571 (1997-11-01), Gardner
patent: 5997049 (1999-12-01), Kingsford et al.
patent: 6089620 (2000-07-01), Mota Lopez et al.
patent: 6450543 (2002-09-01), Fukano et al.
patent: 6536810 (2003-03-01), Fukano et al.

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