Apparatus for abrasively treating insulation products
AssigneeNewalls Insulation Company Limited
InventorRobert Graham
Life of this patent
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Abstract
Apparatus for applying an abrasive treatment to the outer surface of a length of tubular fibrous pipe insulation comprising a support, a mandrel rotatably mounted thereon for receiving a section to be treated, an abrading member at an abrasive treatment station, a mechanism for effecting relative displacement between the mandrel and the abrasive treatment station so as to present the outer surface of a section on said mandrel to the abrasive treatment station for abrasive treatment by the abrading member thereat, together with a member for rotating the section while so presented.
Claims14
Apparatus for applying an abrasive treatment to the outer surface of a section comprising a length of bonded fibrous tubular pipe insulation, said apparatus comprising, a support, a mandrel rotatably mounted thereon for receiving a section to be treated, abrading means which comprises an endless, abrasive-coated belt and means for re-circulating said belt, in use, through a sensibly flat path parallel to the longitudinal axis of said mandrel with at least the length of a section presented to said flat path, the direction of travel of the belt in said flat path being selected whereby the section is urged onto the mandrel whilst presented to the abrading means at an abrasive treatment station, means for effecting relative displacement between the mandrel and the abrasive treatment station so as to present the outer surface of a section on said mandrel to the abrasive treatment station for abrasive treatment by the abrading means thereat, together with means for rotating the section whilst so presented.
Dependencies are inferred from the claim text.