B - Operations – Transporting – 24 – B
Patent
B - Operations, Transporting
24
B
B24B 33/08 (2006.01) B24D 3/28 (2006.01) B24D 13/10 (2006.01)
Patent
CA 2087901
The method and apparatus enables enlarged multi- phase globules 65 to be firmly and non-detachably mounted on tip end portions of flexible hone bristles 55, By one method aspect, a first coating 90 of an at least semi-liquid, controllably hardenable adhesive matrix material 85a is applied to each tip end portion 60 of the bristles in a desired lamina thickness, as determined in part by the natural retention characteristics of the coated bristle tip end portions 60. each first coating 90 is fixed and immobilized relative to its bristle tip end portion 60 whereby to substantially inhibit and prevent displacement of excess liquid, or partly liquid portions of said matrix material 85a from occurring on, and along, the bristle tip end portion 60. A quantity of usually dry particles of finely-divided abrasive material 115 is brought into mating and bonding contact with said coating 90 while it is still in at least partially semi-liquid form, thereby causing the effective picking-up of abrasive particles by said matrix material and the effective intermixing thereof into an effective two-phase, composite abrasive-matrix material 90 + 115. Said bristle tip end portions 60, carrying said coating are then subjected to the required physical conditions needed for hardening and curing said composite abrasive-matrix material on said bristle tip end portions, to a desired extent. The method permits quick and efficient mass production of flexible abrasive hones. Figs.1 and 8.
Fowlie Robert G.
Rands Tara
Battison Williams Dupuis
Fowlie Robert G.
Rands Tara
LandOfFree
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