Compression sleeve puller with double thread engagement and...

Details Compression sleeve puller with double thread engagement and... Compression sleeve puller with double thread engagement and...

2005-06-14

2005-06-14

Bryant, David P. (Department: 3726)

Metal working

Method of mechanical manufacture

Assembling or joining

C029S450000, C029S235000, C029S426500, C029S255000, C285S417000, C285S420000

Reexamination Certificate

active

06904660

ABSTRACT:
A puller (10) for removing a compression sleeve from a pipe (38) generally comprised of a cylindrical body (24) containing on one end an internal cavity (28) to receive the pipe (38) and an external double thread (30) to engage a compression nut (34) and on the opposite end a threaded through screw (14) entering the cavity (28). A disk (22) attached at one end of the screw (14) bears on the end of the pipe (38) and a torque handle (12) at the other end is used to supply increasing pressure against the end of the pipe (38). The puller (10) is threadably attached to the compression nut (34) placing the pipe (38) into the internal cavity (28) against the disk (22) while the compression sleeve (36) is contained between the compression nut (34) and the puller (10). Turning the torque handle (12) urges the compression nut (34) and the compression sleeve (36) toward the end of the pipe (38) until the compression nut (34) and compression sleeve (36) are freed from the pipe (38).

REFERENCES:
patent: 2487331 (1949-11-01), Greene
patent: 3104459 (1963-09-01), Wendt
patent: 5054179 (1991-10-01), Rini
patent: 5119556 (1992-06-01), Hseu
patent: 5519929 (1996-05-01), Bleckman

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