Tube connecting structure

Details Tube connecting structure Tube connecting structure

2005-01-04

2005-01-04

Nicholson, Eric K. (Department: 3679)

Pipe joints or couplings

Essential catch

Leaf spring

C285S331000, C285S903000, C285S921000

Reexamination Certificate

active

06837525

ABSTRACT:
A tube connecting structure is formed with first and second cylindrical sections. The first cylindrical section includes: a joining cylinder with engagement holes disposed at a first end; a ring-shaped flange projecting radially inward from a second end; an inner cylinder extending co-axially toward the first end; and an inner cylindrical member separated axially from the inner cylinder. An O-ring is disposed co-axially between the inner cylinder and inner cylindrical member. Large and small diameter sections of the joining member align with a large-diameter section and small-diameter cylindrical section of the first tube, respectively, and are fitted into the space between the joining cylinder and the inner cylinder and inner cylindrical member. A second tube supported within the second cylindrical section is prevented from slipping out. The O-ring provides a fluid-tight seal between the first and second tubes.

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