IP Library Granted Patent US 8,622,330
Granted Patent B2
US 8,622,330 · App. 13/349,786 · Granted Jan 7, 2014

Mill liner assembly

Inventors: Robert Mepham (Fergus, CA); David J. Page (Elora, CA); Pramod Kumar (Waterloo, CA)
Assignee: Polycorp Ltd.
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Quick Facts
Patent No.
US 8,622,330
App. No.
13/349,786
Granted
Jan 7, 2014
Kind
B2
Abstract

A mill liner assembly for mounting on an inner diameter of a shell of a grinding mill. The mill liner assembly includes one or more shell plates for engagement with the shell, each of the shell plates having a cooperating portion thereof, and one or more lifter bars, each of the lifter bars having a mounting portion thereof, the mounting portion being receivable on the cooperating portion. The mill liner assembly also includes one or more layers having one or more substantially non-resilient materials and a substantially non-sticking surface. The layer is at least partially positioned on at least a first selected one of the cooperating portion and the mounting portion, to position the non-sticking surface thereof for engagement with a second selected one of the cooperating portion and the mounting portion, to impede adhesion of the shell plate and the lifter bar to each other.

Claims (6)

1. A mill liner assembly for mounting on an inner diameter of a shell of a grinding mill, the mill liner assembly comprising:

at least one shell plate for engagement with the shell, said at least one shell plate comprising a cooperating portion thereof;

at least one lifter bar, said at least one lifter bar comprising a mounting portion thereof, the mounting portion being receivable on the cooperating portion;

at least two layers, each said layer comprising at least one substantially non-resilient material and a substantially non-sticking surface; and

said at least two layers being respectively positioned, at least partially, on the cooperating portion and the mounting portion, to position the respective non-sticking surfaces of said at least two layers for engagement with each other, to impede adhesion of said at least one shell plate and said at least one lifter bar to each other.

2. A mill liner assembly according to claim 1 additionally comprising at least one fastener subassembly, for at least partially securing said at least one shell plate and said at least one lifter bar to the shell.

Assignments (2)
SECURITY INTEREST Recorded Jan 25, 2024
From: POLYCORP LTD.
To: TWIN BROOK CAPITAL PARTNERS, LLC, AS AGENT
Reel/Frame 066249/0431 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 1, 2012
From: MEPHAM, ROBERT; PAGE, DAVID J.; KUMAR, PRAMOD
To: POLYCORP LTD.
Reel/Frame 028135/0671 →
Continuity (2)
Provisional Application 61432406 · Jan 13, 2011
Related Publication 20120181364A1 · Jul 19, 2012