Roll press for forming briquettes

Details Roll press for forming briquettes Roll press for forming briquettes

1979-11-01

1981-04-14

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For press shaping surface

425237, 425363, B29C 300, B29C 1500

Patent

active

042616921

ABSTRACT:
A roll press includes two coacting rolls arranged to form briquettes by engagement of coacting surfaces having suitable depressions formed therein. Each of the rolls includes a central arbor of polygonal cross section including a plurality of flat faces each having a dovetail slot therein, a plurality of segments each slidably received in a corresponding dovetail slot, and retaining plates on each side of the arbor for engaging the ends of the segments and to limit axial displacement. The mounting arrangement for the retaining plates provides for thermal expansion of the segments in one axial direction. Each segment is mounted in its dovetail slot with a slight space between the inner face of the segment and the bottom wall of the slot so that precise machining of the inner face of the segment and the bottom of the dovetail slot is not necessary. A cooling arrangement is provided which comprises a plurality of spaced axially extending passages connected by diagonal passages. Plugs are employed for closing the ends of the spaced passages to insure against leakage of fluid therefrom.

REFERENCES:
patent: 1639440 (1927-08-01), Smith
patent: 1775277 (1930-09-01), Gahn
patent: 2958902 (1960-11-01), Decker et al.
patent: 3077634 (1963-02-01), Komarek et al.
patent: 3829267 (1974-08-01), Woodward
patent: 3907486 (1975-09-01), Kennedy
patent: 3938930 (1976-02-01), Lauterback
patent: 3969062 (1976-07-01), Komarek
patent: 3981477 (1976-09-01), Ambrust et al.
patent: 3989441 (1976-11-01), Lauterbach
patent: 4019846 (1977-04-01), Greenberger
patent: 4097215 (1977-06-01), Komarek
patent: 4123971 (1978-11-01), Bergendahl

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