Scarifying tool for pipe ends

Claim 2

A hand held scarifying tool comprising: a substantially rigid body member having a longitudinal axis, opposite outer surfaces and opposite ends, said body member being formed by a pair of separable parts separably joined together generally parallel to said axis and defining a cover part and a holder part, scarifying devices having mounting means trapped between said parts against axial and rotational movement in outwardly extending relationship to said opposite ends, cooperating aligned openings in said parts defining a hole through said body member across said outer surfaces, said hole having a peripheral surface, said holder part having a cylindrical projection spaced outwardly from said opening therein and extending past said longitudinal axis of said body member toward said cover part, said projection having an inner surface defining said peripheral surface of said hole, said cover part having a generally cylindrical cavity closely receiving at least a portion of said projection, and scarifying material lining said peripheral surface.

Claim 3

The tool as defined in claim 1 including elastomeric material positioned between said peripheral surface of said hole and said scarifying material.

Claim 4

The tool as defined in claim 1 wherein said scarifying devices comprise wire brushes including central wire spines having spine end portions, said mounting means comprising mounting members receiving said spine end portions and being secured to a straight and undeformed length of said spine end portions against axial and rotational movement relative thereto without relying upon lateral deformation of said spine end portions to prevent either axial or rotational movement between said mounting member and said spine end portions and without the use of mechanical fasteners.

Claim 5

The tool as defined in claim 3 wherein said mounting members include opposed parts secured together on opposite sides of said spine end portions in firm gripping relationship to said spine end portions.

Claim 6

The tool as defined in claim 1 wherein said holder part has generally L-shaped grooves including a first groove portion extending axially between said cover and holder parts from said opposite ends of said body member and second groove portions extending from said first groove portions into said holder part in a direction away from said cover part, said mounting means comprising mounting members secured to said scarifying devices against axial and rotational movement relative thereto and being cooperatively shaped for reception in said first and second portions of said grooves to hold said mounting members against axial and rotational movement relative to said parts of said body member.

Claim 7

A tool for scarifying at least the outer ends of generally cylindrical areas comprising; a generally rigid body member adapted to be held in a person's hand for manipulation, at least one hole in said body member lined with scarifying material for receiving at least the ends of generally cylindrical members to scarify the exterior surfaces of same, said hole having a peripheral surface and a longitudinal axis, said scarifying material being secured to a flexible carrier, and elastomeric material defining yieldable biasing means positioned between said flexible carrier and said peripheral surface for normally biasing said scarifying material toward said axis and allowing yielding movement of said scarifying material away from said axis.

Claim 8

A tool for scarifying at least the outer ends of generally cylindrical areas comprising; a generally rigid body member adapted to be held in a person's hand for manipulation, at least one hole in said body member lined with scarifying material for receiving at least the ends of generally cylindrical members to scarify the exterior surfaces of same, said hole having a peripheral surface and a longitudinal axis, said scarifying material being secured to a flexible carrier, and elastomeric material defining yieldable biasing means positioned between said flexible carrier and said peripheral surface for normally biasing said scarifying material toward said axis and allowing yielding movement of said scarifying material away from said axis.

Claim 9

The tool as defined in claim 6 wherein said elastomeric material has a thickness radially of said axis which is substantially greater than the thickness of said carrier radially of said axis, and is substantially softer and more compressible than said carrier, and said elastomeric material being separate from and unsecured to said carrier.

Claim 10

A tool for scarifying at least the outer ends of generally cylindrical areas comprising; a generally rigid body member adapted to be held in a person's hand for manipulation, a hole completely through said body member and having a hole longitudinal axis and a hole peripheral surface, said body member being formed in two parts joining together generally along a joining plane extending perpendicular to said hole longitudinal axis, each said part having an opening therein cooperating to define said hole, one said part having a cylindrical projection spaced outwardly from said opening therein and extending toward the other of said parts, said projection having an inner surface defining said peripheral surface of said hole, said hole being lined with scarifying material for receiving at least the ends of generally cylindrical members to scarify the exterior surfaces of same, and yieldable biasing means positioned between said scarifying material and said peripheral surface of said hole for normally biasing said scarifying material toward said hole longitudinal axis and allowing yielding movement of said scarifying material away from said axis.

Claim 11

A tool for scarifying at least the outer ends of generally cylindrical areas comprising; a generally rigid body member adapted to be held in a person's hand for manipulation, a hole completely through said body member and having a hole longitudinal axis and a hole peripheral surface, said body member being formed in two parts joining together generally along a joining plane extending perpendicular to said hole longitudinal axis, each said part having an opening therein cooperating to define said hole, one said part having a cylindrical projection spaced outwardly from said opening therein and extending toward the other of said parts, said projection having an inner surface defining said peripheral surface of said hole, said hole being lined with scarifying material for receiving at least the ends of generally cylindrical members to scarify the exterior surfaces of same, and yieldable biasing means positioned between said scarifying material and said peripheral surface of said hole for normally biasing said scarifying material toward said hole longitudinal axis and allowing yielding movement of said scarifying material away from said axis.

Claim 12

A tool for scarifying at least the outer ends of generally cylindrical areas comprising; a generally rigid body member adapted to be held in a person's hand for manipulation and having opposite outer surfaces, at least one hole in said body member having a hole longitudinal axis and a hole peripheral surface, said hole extending completely through said body member across said outer surfaces to define entrance openings to said hole, said entrance openings being inwardly sloped toward said axis of said hole for guiding the ends of generally cylindrical members into said hole, said hole being lined with scarifying material for receiving at least the ends of generally cylindrical members to scarify the exterior surfaces of same, and yieldable biasing means positioned between said scarifying material and said peripheral surface for normally biasing said scarifying material toward said axis and allowing yielding movement of said scarifying material away from said axis.

Claim 13

A tool for scarifying at least the outer ends of generally cylindrical areas comprising; a generally rigid body member adapted to be held in a person's hand for manipulation and having opposite outer surfaces, at least one hole in said body member having a hole longitudinal axis and a hole peripheral surface, said hole extending completely through said body member across said outer surfaces to define entrance openings to said hole, said entrance openings being inwardly sloped toward said axis of said hole for guiding the ends of generally cylindrical members into said hole, said hole being lined with scarifying material for receiving at least the ends of generally cylindrical members to scarify the exterior surfaces of same, and yieldable biasing means positioned between said scarifying material and said peripheral surface for normally biasing said scarifying material toward said axis and allowing yielding movement of said scarifying material away from said axis.

Claim 14

A tool for scarifying at least the ends of generally cylindrical areas comprising: a generally rigid body member, a brush including an elongated central twisted wire spine having bristles secured thereto along a portion of the spine length and having a spine end portion free of bristles, an elongated mounting member secured to a straight and undeformed length of said spine end portion against axial and rotational movement relative thereto without relying upon lateral deformation of said spine end portion to prevent either axial or rotational movement between said mounting member and said spine end portion and without the use of mechanical fasteners, said mounting member including a longitudinal portion extending along said spine and a transverse portion extending transversely of said longitudinal portion, said body member including a pair of separable parts between which longitudinal and transverse grooves are formed in said body member, and said longitudinal and transverse portions of said mounting member being respectively received in said longitudinal and transverse grooves to secure said mounting member to said body member against axial and rotational movement relative thereto.

Claim 15

A tool for scarifying at least the ends of generally cylindrical areas comprising: a generally rigid body member, a brush including an elongated central twisted wire spine having bristles secured thereto along a portion of the spine length and having a spine end portion free of bristles, an elongated mounting member secured to a straight and undeformed length of said spine end portion against axial and rotational movement relative thereto without relying upon lateral deformation of said spine end portion to prevent either axial or rotational movement between said mounting member and said spine end portion and without the use of mechanical fasteners, said mounting member including a longitudinal portion extending along said spine and a transverse portion extending transversely of said longitudinal portion, said body member including a pair of separable parts between which longitudinal and transverse grooves are formed in said body member, and said longitudinal and transverse portions of said mounting member being respectively received in said longitudinal and transverse grooves to secure said mounting member to said body member against axial and rotational movement relative thereto.

Claim 16

The tool as defined in claim 10 wherein said mounting member comprises opposed parts secured together on opposite sides of said spine end portion.

Claim 17

A brush for use with a scarifying tool or the like of the type including a pair of opposed parts between which the brush is secured, said brush comprising: an elongated central twisted wire spine having bristles secured thereto along a portion thereof and having a spine end portion free of bristles, an elongated mounting member receiving said spine end portion and being clamped in tight gripping relationship to a straight and undeformed length of said spine end portion against axial and rotational movement without relying upon lateral deformation of said spine end portion to prevent either axial or rotational movement between said mounting member and said spine end portion and without the use of mechanical fasteners, and said mounting member having a longitudinal portion extending along said spine and a transversely extending free end portion which extends transversely of said longitudinal portion, said mounting member being non-threadably receivable between opposed parts of a scarifying tool for holding the brush to the tool against axial and rotational movement relative thereto.

Claim 18

A brush for use with a scarifying tool or the like of the type including a pair of opposed parts between which the brush is secured, said brush comprising: an elongated central twisted wire spine having bristles secured thereto along a portion thereof and having a spine end portion free of bristles, an elongated mounting member receiving said spine end portion and being clamped in tight gripping relationship to a straight and undeformed length of said spine end portion against axial and rotational movement without relying upon lateral deformation of said spine end portion to prevent either axial or rotational movement between said mounting member and said spine end portion and without the use of mechanical fasteners, and said mounting member having a longitudinal portion extending along said spine and a transversely extending free end portion which extends transversely of said longitudinal portion, said mounting member being non-threadably receivable between opposed parts of a scarifying tool for holding the brush to the tool against axial and rotational movement relative thereto.

Claim 19

The brush as defined in claim 12 wherein said mounting member comprises opposed parts secured together on opposite sides of said spine end portion.