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Welding Equipment And Welding Method

Abstract: ABSTRACT WELDING EQUIPMENT AND WELDING METHOD A welding equipment includes a rotation mechanism that integrally rotates two cylindrical shells having a butt part with a groove formed therein, a torch part that repeatedly form a weld bead over the entire perimeter of the groove by 5 continuously performing groove welding at a predetermined welding position in a circumferential direction about a central axis in parallel with rotation of the cylindrical shells, a welding-position shifter that shifts a position at which the weld bead is formed by the torch part, in the axial direction, a detector that detects to-be-detected parts provided on the outer peripheral surfaces of the cylindrical shells at 10 a measuring position that is a position in the circumferential direction immediately before reaching the welding position during rotation of the cylindrical shells, and a controller that controls the welding-position shifter in accordance with detection of the to-be-detected parts by the detector.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
13 June 2023
Publication Number
02/2024
Publication Type
INA
Invention Field
MECHANICAL ENGINEERING
Status
Email
Parent Application

Applicants

HITACHI ZOSEN CORPORATION
7-89, Nanko-kita 1-chome, Suminoe-ku, Osaka-shi, Osaka 559-8559, Japan

Inventors

1. KAMIKAWA, Kenji
c/o HITACHI ZOSEN CORPORATION, 7-89, Nanko-kita 1-chome, Suminoe-ku, Osaka-shi, Osaka 559-8559, Japan
2. KOBAYASHI, Yuichi
c/o HITACHI ZOSEN CORPORATION, 7-89, Nanko-kita 1-chome, Suminoe-ku, Osaka-shi, Osaka 559-8559, Japan
3. NAKANO, Masakatsu
c/o HITACHI ZOSEN CORPORATION, 7-89, Nanko-kita 1-chome, Suminoe-ku, Osaka-shi, Osaka 559-8559, Japan
4. FUJIMOTO, Takahiro
c/o HITACHI ZOSEN CORPORATION, 7-89, Nanko-kita 1-chome, Suminoe-ku, Osaka-shi, Osaka 559-8559, Japan
5. ABE, Masamitsu
c/o HITACHI ZOSEN CORPORATION, 7-89, Nanko-kita 1-chome, Suminoe-ku, Osaka-shi, Osaka 559-8559, Japan
6. SHINODA, Kaoru
c/o HITACHI ZOSEN CORPORATION, 7-89, Nanko-kita 1-chome, Suminoe-ku, Osaka-shi, Osaka 559-8559, Japan

Specification

Description:AS ATTACHED , Claims:AS ATTACHED

Documents

Application Documents

# Name Date
1 202344040266-STATEMENT OF UNDERTAKING (FORM 3) [13-06-2023(online)].pdf 2023-06-13
2 202344040266-FORM 1 [13-06-2023(online)].pdf 2023-06-13
3 202344040266-DRAWINGS [13-06-2023(online)].pdf 2023-06-13
4 202344040266-DECLARATION OF INVENTORSHIP (FORM 5) [13-06-2023(online)].pdf 2023-06-13
5 202344040266-COMPLETE SPECIFICATION [13-06-2023(online)].pdf 2023-06-13
6 202344040266-Correspondence-Letter [15-06-2023(online)].pdf 2023-06-15
7 202344040266-Proof of Right [16-06-2023(online)].pdf 2023-06-16
8 202344040266-FORM-26 [16-06-2023(online)].pdf 2023-06-16