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. 04, 1977
Filed:
Mar. 04, 1976
Erik Alfon Jonsson, Boliden, SW;
Boliden Aktiebolag, Stockholm, SW;
Abstract
In a mill drum provided with wear protective linings and ore lifting and carrying means in the form of longitudinal wings comprising an elastomeric material and extending radially inwardly from the lining of the mill drum an arrangement for securely attaching the wings to the walls of said mill drum, comprising at least two contiguous anchoring rods extending in the longitudinal direction of the bases of the wings through longitudinal holes made through the material of the wings, said anchoring rods passing through yoke means, which are recessed in the bases of the wings at a desired pitch or distribution along said bases and being connected to means for pressing the complete wing units against the drum of the mill and for retaining said wings in their mounted position.