Metal deforming – By application of fluent medium – or energy field – With actuated tool engaging work
Patent
1975-08-18
1977-01-18
Gilden, Leon
Metal deforming
By application of fluent medium, or energy field
With actuated tool engaging work
B21D 1510
Patent
active
040032310
ABSTRACT:
The rotary machine, particularly for manufacturing bellows-type articles, includes a shaping device with a rotor. The shaft of the rotor has mounted thereon a drum carrying slides, each slide being adapted to accommodate a hollow blank, to advance it into the axial bore of the respective female die and to fill the internal space of the blank with a liquid medium under pressure. The auxiliary drum likewise mounted on the rotor shaft carries male dies. A holder structure for the female dies, arranged coaxially with the male dies, is mounted on the rotor shaft intermediate the two drums. Each female die includes a plurality of closed-end sleeves received coaxially one within another, each sleeve having a bore in the bottom thereof to accommodate a blank therein and having grooves on the external surface of this bottom to form corrugations in the article being manufactured. The sleeves are spaced axially from one another and are movable toward one another, as the female die is driven toward the male die to shape the article. Each sleeve is made up of two parts, the plane dividing these two parts being along the axis of the female die. The two parts of the sleeve are movable radially to provide for loading a blank thereinto and for removing a shaped article therefrom. The disclosed machine is operable for automatic production of bellows of relatively high quality, and that at a high rate.
REFERENCES:
patent: 701549 (1902-06-01), Deering
patent: 1271455 (1918-07-01), Fitts
patent: 2610667 (1952-09-01), Puster
patent: 2796109 (1957-06-01), Wood
patent: 3512385 (1970-05-01), Adolphi
Ilin Viktor Mikhailovich
Martynenkov July Fedorovich
Tanygin Vitaly Matveevich
Zhiklenkov Viktor Konstantinovich
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