Mineral cutter tooling system

Details Mineral cutter tooling system Mineral cutter tooling system

E - Fixed Constructions

21

C

E21C 35/18 (2006.01) E21C 35/187 (2006.01) E21C 35/197 (2006.01) F16B 19/00 (2006.01)

Patent

CA 2110636

- 10 - ABSTRACT MINERAL CUTTER TOOLING SYSTEM The invention provides a liner sleeve (8) adapted, in use, to be interposed between the external periphery of a round shank (3) of a point attack, mineral cutter pick (1), and the internal periphery of a circular, shank-receiving bore (5) of a pick box (6), the sleeve (8) being constituted by a plurality of individual rings (14A, 14B, 14C) stacked end-to-end in abutting relationship about a common longitudinal axis (15), the rings (14A, 14B, 14C) together having. an axial length (17) approximating to the axial length (12) of the bore (5). The invention also includes a pick box (6) provided with such a sleeve (8), and also a combination of pick (1) and pick box (6)

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