Metal deforming – By use of tool acting during relative rotation between tool... – During rotation of work
Patent
1981-12-09
1984-06-26
Larson, Lowell A.
Metal deforming
By use of tool acting during relative rotation between tool...
During rotation of work
29159R, B21H 100
Patent
active
044558538
ABSTRACT:
Improvements in a method of making a poly-V pulley from a metal plate which has V-shaped poly-V grooves formed in a cylindrical flange wall of a cup-shaped blank, by the application of pressing, compression and finishing processes to the blank. More particularly, the improvements reside in the compression process in which the opening end of the flange wall of a cup-shaped blank is fittingly held by a fitting groove which is formed in an upper peripheral edge of a lower rotary pressing form, the groove having a slope with a predetermined upward inclination in the radially inward direction toward the center of the form. Auxiliary rollers are pressed into groove valleys of the corrugated wall of the blank, and the blank is then axially compressed while rotating the blank, thereby converting the corrugated wall into a grooved wall having therein a series of V-shaped crests and valleys.
REFERENCES:
patent: D266982 (1982-11-01), Kanemitsu
patent: D266983 (1982-11-01), Kanemitsu
patent: D266984 (1982-11-01), Kanemitsu
patent: D267472 (1983-01-01), Kanemitsu
patent: D267540 (1982-11-01), Kanemitsu
patent: D267541 (1983-01-01), Kanemitsu
patent: D268092 (1983-03-01), Kanemitsu
patent: 2139833 (1938-12-01), Le Jeune et al.
patent: 2471906 (1949-05-01), Smith
patent: 2787914 (1957-04-01), Nelson
patent: 2878551 (1959-03-01), Woodward
patent: 3368376 (1968-02-01), Previte
patent: 3457751 (1969-07-01), Lindeman
patent: 3722309 (1973-03-01), Shaffer
patent: 3772928 (1973-11-01), Gobeille
patent: 3838485 (1974-10-01), Oldford
patent: 3907371 (1975-09-01), Luedi
patent: 3945102 (1976-03-01), Kotlar
patent: 3953995 (1976-05-01), Haswell et al.
patent: 3962926 (1976-06-01), Kotlar
patent: 3977264 (1976-08-01), Sproul
patent: 3994181 (1976-11-01), Sproul
patent: 4050321 (1977-09-01), Kraft
patent: 4078410 (1978-03-01), Lemmo
patent: 4080704 (1978-03-01), Blakesley
patent: 4083215 (1978-04-01), Guetzlaff
patent: 4086798 (1978-05-01), Lemmo
patent: 4197756 (1980-04-01), Yaros
patent: 4273547 (1981-06-01), Bytzek
patent: 4313323 (1982-02-01), Kanemitsu
Italian Pat. 508,176, dated 1/55, (Ghirelli).
German Offenlegungsschrift 28 22 056, dated 11/79, (Mittermeier).
Goshi Kaisha Kanemitsu Doko Yosetsu-sho
Larson Lowell A.
LandOfFree
Method of making poly-V pulleys does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method of making poly-V pulleys, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of making poly-V pulleys will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2226485