Handheld extruder welding device for welding thermoplastic synthetic materials, including an extruder screw, a drive system for the extruder screw in an axial extension of the extruder screw, and a hot air unit with a blower, where the blower and the drive system are integrated in a housing includin
Handheld extruder welding device for welding thermoplastic synthetic materials, including an extruder screw, a drive system for the extruder screw in an axial extension of the extruder screw, and a hot air unit with a blower, where the blower and the drive system are integrated in a housing including several parts, and where a cooling body with air inlets is located on the housing on the screw side. This cooling body transfers the axial and radial forces between the drive system and the screw cylinder and supports the housing. In this handheld extruder welding device, all drive components are integrated in one housing which makes it suitable for robust use and a long service life. Its design with a cooling body as the support base for the entire device represents a special function.
대표청구항▼
The invention claimed is: 1. A handheld extruder welding device for welding thermoplastic synthetic materials, comprising an extruder screw with a screw cylinder, a drive system for the extruder screw in an axial extension of the extruder screw, and a hot air unit for producing hot air for pre-heat
The invention claimed is: 1. A handheld extruder welding device for welding thermoplastic synthetic materials, comprising an extruder screw with a screw cylinder, a drive system for the extruder screw in an axial extension of the extruder screw, and a hot air unit for producing hot air for pre-heating, further including a housing enclosing the drive system and comprising several parts that has a cooling body with air inlets on the screw side supplying the drive system with cooling air, where the cooling body is engineered as a central support base component that holds the housing walls, the drive system, the screw cylinder, and the hot air unit. 2. A handheld extruder welding device according to claim 1, wherein the cooling body includes at least two parts, and that the parts of the cooling body are locked together. 3. A handheld extruder welding device according to claim 2, wherein the gear unit of the drive system is surrounded, at least in part, by the cooling body, and is, at least in part, in thermal contact with it. 4. A handheld extruder welding device according to claim 1, wherein the cooling body contains at least one feed channel for the welding wire that ends in the feed zone of the extruder screw. 5. A handheld extruder welding device according to claim 2, wherein the cooling body contains at least one feed channel for the welding wire that ends in the feed zone of the extruder screw. 6. A handheld extruder welding device according to claim 3, wherein the cooling body contains at least one feed channel for the welding wire that ends in the feed zone of the extruder screw. 7. A handheld extruder welding device according to claim 4, wherein the feed opening for the feed channel is located on the cooling body. 8. A handheld extruder welding device according to claim 5, wherein the feed opening for the feed channel is located on the cooling body. 9. A handheld extruder welding device according to claim 6, wherein the feed opening for the feed channel is located on the cooling body. 10. A handheld extruder welding device according to claim 4, wherein the feed channel ends in a wire feed sleeve surrounding the extruder screw, and the feed sleeve has a least one slanted guide groove that has at least one pointed ridge running in longitudinal direction. 11. A handheld extruder welding device according to claim 5, wherein the feed channel ends in a wire feed sleeve surrounding the extruder screw, and the feed sleeve has a least one slanted guide groove that has at least one pointed ridge running in longitudinal direction. 12. A handheld extruder welding device according to claim 6, wherein the feed channel ends in a wire feed sleeve surrounding the extruder screw, and the feed sleeve has a least one slanted guide groove that has at least one pointed ridge running in longitudinal direction. 13. A handheld extruder welding device according to claim 7, wherein the feed channel ends in a wire feed sleeve surrounding the extruder screw, and the feed sleeve has a least one slanted guide groove that has at least one pointed ridge running in longitudinal direction. 14. A handheld extruder welding device according to claim 8, wherein the feed channel ends in a wire feed sleeve surrounding the extruder screw, and the feed sleeve has a least one slanted guide groove that has at least one pointed ridge running in longitudinal direction. 15. A handheld extruder welding device according to claim 9, wherein the feed channel ends in a wire feed sleeve surrounding the extruder screw, and the feed sleeve has a least one slanted guide groove that has at least one pointed ridge running in longitudinal direction. 16. A handheld extruder welding device according to claim 1, wherein assembly and carrying elements can be attached to the cooling body. 17. A handheld extruder welding device according to claim 2, wherein assembly and carrying elements can be attached to the cooling body. 18. A handheld extruder welding device according to claim 3, wherein assembly and carrying elements can be attached to the cooling body. 19. A handheld extruder welding device according to claim 4, wherein assembly and carrying elements can be attached to the cooling body. 20. A handheld extruder welding device according to claim 7, wherein assembly and carrying elements can be attached to the cooling body.
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Sperry Charles R. (113 Clinton St. Springfield VT 05156) Bladyka Paul J. (Chester VT), Apparatus, method and article for applying a melted adhesive.
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