Tube having a flared end

Details Tube having a flared end Tube having a flared end

1983-04-15

1988-10-25

Crane, Daniel C.

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

Clamp structure constitutes sole initial metal-deforming...

72317, 72370, B21D 4102

Patent

active

047794410

ABSTRACT:
An apparatus (10) for flaring an end portion (14) of a deformable tube (16), the end portion (14) having an annular burr (18) extending into the tube (16), the apparatus including a conical projection (20) for flaring the end portion (14) of the tube (16) when the tube (16) is forced thereon and characterized by the conical projection being of a predetermined radius and having a predetermined slope for engaging the burr (18) as the end portion (14) of the tube (16) is forced onto the conical projection (20) to force the burr (18) into the inner surface of the flared end portion (14). A method of flaring the end portion (14) is provided and includes the steps of flaring the end portion (14) and forcing the burr (18) into the inner surface of the flared end portion (14) to form a flared end portion (14) having a rounded edge and a substantially uniform wall thickness.

REFERENCES:
patent: 1505409 (1924-08-01), Mueller et al.
patent: 2242831 (1941-05-01), McIntosh
patent: 2302794 (1942-11-01), Neukirch
patent: 2442224 (1948-05-01), Vaill
patent: 2774408 (1956-12-01), Franck
patent: 3052279 (1962-09-01), Collin et al.
patent: 3411338 (1968-11-01), Carlin
patent: 3849881 (1974-11-01), Strybel
patent: 3913364 (1975-10-01), Strybel
patent: 4068515 (1978-01-01), Kowal et al.

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