The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 16, 1982
Filed:
Apr. 16, 1980
Applicant:
Inventors:
Albert G French, Willington, GB;
Derek J Brooks, Ashby-de-la-Zouche, GB;
Assignee:
Coal Industry (Patents) Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21C / ;
U.S. Cl.
CPC ...
299 43 ; 299 12 ;
Abstract
Mining equipment adapted for repeated traversing to and fro adjacent to a conveyor arranged along a longwall face in an underground mine, has a mining machine support structure which bridges the conveyor and which has a curtain for guiding airborne dust arising during cutting of mineral by a rotary cutting head mounted on the machine. The air flow passage defined by the curtain has an air flow inducing means therein, such as a fan or water spray.