Double cylinder body and a manufacturing method thereof

Details Double cylinder body and a manufacturing method thereof Double cylinder body and a manufacturing method thereof

1997-07-10

1999-05-18

Gorski, Joseph M.

Metal working

Method of mechanical manufacture

Assembling or joining

29505, 29521, 29523, B21D39/00

Patent

active

059039671

ABSTRACT:
It is an object of the invention to provide a double cylinder body and a manufacturing method thereof which can connect the inside cylinder and the outside cylinder strongly. The stopper 45 is protrudely provided on the outer circumference of one end portion of the inside cylinder 43 which will be a base of the yoke 13 made from iron, the inside cylinder 43 is attached on the outer circumference of the punch 33 on which the swelling portion 34 is fitted. The punch 33 to which the inside cylinder 43 is fitted is press inserted in the void 42 of the outside cylinder 41 from the swelling portion 34 side. The outside cylinder 41 in which the punch 33 and the inside cylinder 43 are press inserted is press inserted in the die 31. The punch 33 is only ejected from the inside cylinder 43 during ironing the inside face of the inside cylinder 43. Since the inside cylinder 43 is elongated in the circumferential direction thereof by the ironing of the swelling portion 34, the inside cylinder 43 is press contacted on the inner circumferential face of the outside cylinder 41, it is possible to manufacture the motor housing 10 in which the casing 11 made from aluminum and the yoke 13 made from iron are connected to each other strongly.

REFERENCES:
patent: 655304 (1900-08-01), Midgley
patent: 904189 (1908-11-01), Everson
patent: 1464350 (1923-08-01), Cable
patent: 1646371 (1927-10-01), Shoemaker
patent: 2132565 (1938-10-01), Graham
patent: 2288340 (1942-06-01), Yates
patent: 2693026 (1954-11-01), Simpleaar
patent: 3571907 (1971-03-01), Watson
patent: 3863328 (1975-02-01), Arntz
patent: 4907626 (1990-03-01), Mori
patent: 5201111 (1993-04-01), Prohaska
patent: 5216306 (1993-06-01), Nakazawa et al.

Affiliated with

Also associated with

Rating

Double cylinder body and a manufacturing method thereof does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Double cylinder body and a manufacturing method thereof, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Double cylinder body and a manufacturing method thereof will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1752005