Iron sponge briquetting press

Details Iron sponge briquetting press Iron sponge briquetting press

1991-06-27

1993-06-01

Hornsby, Harvey C.

Plastic article or earthenware shaping or treating: apparatus

Sets of press couples comprising registering female mold...

Mounted on rolls

100 93RP, 100176, 100907, 165 89, 425390, 492 46, 492 54, B28B 1302

Patent

active

052157652

ABSTRACT:
The invention relates to an iron sponge briquetting press having two opposite rollers. The rollers consist of a roller base body and a coating affixed thereto, in which the moulding recesses for shaping the briquettes are formed. In order to provide less expensive roller coatings as compared with the segments used formerly as coating, which have moreover longer service lives, the invention provides that the coating is produced as a closed ring from a chromium nickel molybdenum steel and is held in press fit on the roller base body. Open grooves are produced in the sleeve surface of the roller base body or on the inner side of the ring as cooling ducts, their open sides being covered by the inner side of the ring or the sleeve surface of the base body in the assembled condition of the rollers.

REFERENCES:
patent: 1816307 (1931-07-01), Von Reis
patent: 2908486 (1959-10-01), Thornburg
patent: 3143769 (1964-08-01), Komarek et al.
patent: 3942230 (1976-03-01), Nalband
patent: 4727740 (1988-03-01), Yabuki et al.

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