JPH0196272U - - Google Patents
Info
- Publication number
- JPH0196272U JPH0196272U JP19151287U JP19151287U JPH0196272U JP H0196272 U JPH0196272 U JP H0196272U JP 19151287 U JP19151287 U JP 19151287U JP 19151287 U JP19151287 U JP 19151287U JP H0196272 U JPH0196272 U JP H0196272U
- Authority
- JP
- Japan
- Prior art keywords
- contact tip
- tip
- metal contact
- silicon nitride
- sintered body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003466 welding Methods 0.000 claims description 5
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims 3
- 239000011261 inert gas Substances 0.000 claims 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
Landscapes
- Arc Welding In General (AREA)
Description
第１図は本考案の窒化珪素焼結体を装着したコ
ンタクトチツプの断面図である。第２図は従来の
炭酸ガス溶接用トーチの断面図である。
１…コンタクトチツプ、２…ノズル、３…ガス
デイフユーザ、４…溶接用ワイヤ、５…被溶接部
材、８…窒化珪素焼結体。
FIG. 1 is a sectional view of a contact chip equipped with the silicon nitride sintered body of the present invention. FIG. 2 is a sectional view of a conventional carbon dioxide gas welding torch. DESCRIPTION OF SYMBOLS 1... contact chip, 2... nozzle, 3... gas diffuser, 4... welding wire, 5... member to be welded, 8... silicon nitride sintered body.
Claims (1)
のコンタクトチツプにおいて、金属製コンタクト
チツプの先端部分に小径の凸部を設け、この凸部
の外周および先端面を覆う窒化珪素焼結体を該金
属製コンタクトと連続形状にしかも着脱可能に螺
合し、上記の金属製コンタクトチツプおよび窒化
珪素焼結体を通じて溶接用ワイヤが貫通する中心
軸方向の孔が形成されていることを特徴とする溶
接用コンタクトチツプ。 In a contact tip in a welding torch that is shielded with an inert gas, a small-diameter convex portion is provided at the tip of the metal contact tip, and a silicon nitride sintered body covering the outer periphery and tip surface of this convex portion is attached to the metal contact tip. A contact tip for welding, which is threaded in a continuous shape and removably, and has a hole in the central axis direction through which a welding wire passes through the metal contact tip and the silicon nitride sintered body. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19151287U JPH0196272U (en) | 1987-12-16 | 1987-12-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19151287U JPH0196272U (en) | 1987-12-16 | 1987-12-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0196272U true JPH0196272U (en) | 1989-06-26 |
Family
ID=31482419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19151287U Pending JPH0196272U (en) | 1987-12-16 | 1987-12-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0196272U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997012715A1 (en) * | 1995-10-03 | 1997-04-10 | Kabushiki Kaisha S M K | Contact tip for welding |
| EP1764179A2 (en) * | 2005-09-19 | 2007-03-21 | Lincoln Global, Inc. | Contact tip with a flange; Insulated protective sleeve; Metal nozzle with gripping means; Torch for arc welding with a wire with such contact tip, insulating protective sleeve and metal nozzle |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5123525B1 (en) * | 1967-09-13 | 1976-07-17 | ||
| JPS6061180A (en) * | 1983-09-14 | 1985-04-08 | Toshiba Corp | Chip cover for welding |
-
1987
- 1987-12-16 JP JP19151287U patent/JPH0196272U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5123525B1 (en) * | 1967-09-13 | 1976-07-17 | ||
| JPS6061180A (en) * | 1983-09-14 | 1985-04-08 | Toshiba Corp | Chip cover for welding |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997012715A1 (en) * | 1995-10-03 | 1997-04-10 | Kabushiki Kaisha S M K | Contact tip for welding |
| AU698544B2 (en) * | 1995-10-03 | 1998-10-29 | Kabushiki Kaisha S.M.K | Welding contact tip |
| US6093907A (en) * | 1995-10-03 | 2000-07-25 | Kabushiki Kaisha Smk | Contact tip for welding |
| EP1764179A2 (en) * | 2005-09-19 | 2007-03-21 | Lincoln Global, Inc. | Contact tip with a flange; Insulated protective sleeve; Metal nozzle with gripping means; Torch for arc welding with a wire with such contact tip, insulating protective sleeve and metal nozzle |
| EP1764179A3 (en) * | 2005-09-19 | 2007-05-23 | Lincoln Global, Inc. | Contact tip with a flange ; Insulated protective sleeve ; Metal nozzle with gripping means ; Torch for arc welding with a wire with such contact tip, insulating protective sleeve and metal nozzle |
| US8552341B2 (en) | 2005-09-19 | 2013-10-08 | Lincoln Global, Inc. | Torch for arc welding gun |