Twin wire electric arc metalizing device
AssigneeInternational Metalizing & Coatings, Inc.
InventorsCarl Frazer Tudor, Philip Mike Midgett
Life of this patent
Estimating the term…
Abstract
An electric arc metalizing apparatus includes a wire drive unit within a housing unit, a device for attaching at least two spools of wire within the housing unit such that the wire can be led through the wire drive unit, a spray gun spatially moveable with respect to the housing, the wire drive unit having at least one drive roller advancing the wire to the spray gun, the drive roller having a knurled surface engaging the wire for avoiding slippage and removing contaminations like corrosion layers, and within the housing unit at least one wire cleaning/lubrication mean position downstream from said drive unit.
Claims19
An electric arc metalizing apparatus comprising:
- a housing unit;
- a spray gun spatially moveable with respect to said housing and connected to said housing by supply cables to supply wire, electrical energy and pressurized gas thereto;
- a wire drive means within said housing;
- a means for attaching at least two spools of wire within said housing unit such that the wire can be led through said wire drive means;
- said wire drive means having at least two drive rollers advancing said wire to said spray gun,
- said drive rollers each having a knurled surface engaging the wire for avoiding slippage thereof and removing contaminations therefrom.
An electric arc metalizing apparatus comprising:
- a ground-supported housing unit;
- a remote, hand-held spray gun spatially moveable relative to said housing unit and connected to said housing by elongate flexible members comprising at least two supply cables to supply wire to said spray gun;
- a wire drive means within said housing;
- a means for attaching at least two spools of wire within said housing unit such that said wires can simultaneously be led through said wire drive means;
- said wire drive means having two sets of drive rollers, each set of drive rollers having at least two opposing drive rollers forming a nip containing an associated one of said wires, said two wires being simultaneously advanced by the drive rollers towards said spray gun by pushing each said wire through an associated flexible wire supply cable;
- said opposing drive rollers, of each said set of drive rollers, having a knurled surface engaging said wire for avoiding slippage thereof and removing contaminations and corrosion layers therefrom while pushing the wire forward, wherein,
- said housing unit includes, for each wire, a means for straightening said wire coming from said spool,
- said straightening means is located upstream from said wire supply cable, and
- said wire drive means further comprises a drive motor with an output shaft with at least one of said knurled drive rollers of each said set of drive rollers being directly driven by said output shaft of the drive motor.
An electric arc metalizing apparatus comprising:
- a ground-supported housing unit;
- a remote, hand-held spray gun spatially moveable relative to said housing unit and connected to said housing by elongate flexible members comprising at least two supply cables to supply wire to said spray gun;
- a wire drive means within said housing;
- a means for attaching at least two spools of wire within said housing unit such that said wires can simultaneously be led through said wire drive means;
- said wire drive means having two sets of drive rollers, each set of drive rollers having at least two opposing drive rollers forming a nip containing an associated one of said wires, said two wires being simultaneously advanced by the drive rollers towards said spray gun by pushing each said wire through an associated flexible wire supply cable;
- said opposing drive rollers, of each said set of drive rollers, having a knurled surface engaging said wire for avoiding slippage thereof and removing contaminations and corrosion layers therefrom while pushing the wire forward.
Dependencies are inferred from the claim text.