Mining equipment

Details Mining equipment Mining equipment

1979-02-09

1982-11-09

Pate, III, William F.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Tooth mounted on helical head portion or head with helical...

299 90, E21C 2510

Patent

active

043581617

ABSTRACT:
A spiral vane shearer disc capable of manufacture by simpler techniques than those currently employed as an outer end of a drum, around the external periphery of which is welded a helical vane, provided at one end with a tire, the latter having a plurality of preformed, spaced apart, blind pockets, each adapted to receive a pick box. This construction eases the welding operation while gives improved transmission of loading from the picks to the disc.

REFERENCES:
patent: 1059463 (1913-04-01), Hess
patent: 2594261 (1952-04-01), Henning
patent: 2798707 (1957-07-01), Kandle
patent: 3085795 (1963-04-01), Snipe et al.
patent: 3158403 (1964-11-01), Adams et al.
patent: 3847439 (1974-11-01), Allen
patent: 4022286 (1955-05-01), Gill

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