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:
Oct. 09, 1979
Filed:
Jan. 17, 1978
Applicant:
Inventor:
Marcel Montacie, Paris, FR;
Assignee:
Bouygues, Clamart, FR;
Primary Examiner:
Int. Cl.
CPC ...
E21D / ;
U.S. Cl.
CPC ...
299 56 ; 37190 ;
Abstract
The invention relates to a tunneling machine or other machine provided with tools for cutting materials from a wall located in front of the machine, said machine comprising a movable frame carrying a head rotatably driven about an axis, said head bearing at least one bucket for picking up said materials after cutting and for dumping the materials on or towards a conveyor, said bucket having an inlet opening for picking up the materials when the bucket passes through a low position during the rotation of the head, and said bucket having an outlet opening for dumping the materials, said outlet opening being offset to the rear of the head with respect to the said inlet opening.