Title:
Moved type vacuum welding equipment
Document Type and Number:
Japanese Patent JP6037741
Kind Code:
B2
Abstract:
A movable vacuum welding device (1) includes a vacuum chamber (7) having an edge section (12) opposite to a surface of a welding target (T) and forming a vacuum space between the surface of the welding target (T) and the vacuum chamber (7), a seal section (8) interposed between the edge section (12) and the welding target (T) throughout the entire circumference of the edge section (12), a welding head (9) configured to perform welding on the surface of the welding target (T) in the vacuum space, and a preload unit (10) configured to previously apply a load to the seal section (8). The seal section (8) includes a first seal member (27) formed of an elastic material and extending along the edge section (12), and a second seal member (28) disposed at least a rear side in a relative moving direction in which a welding bead (W) passes and having higher flexibility than the first seal member (27).
Inventors:
Hori Takumi
Yasuyuki Fujitani
Takehisa Okuda
Osamu Hasegawa
Katsuya Seniri
Mao Watanabe
Shellfish row Takaaki
Yasuyuki Fujitani
Takehisa Okuda
Osamu Hasegawa
Katsuya Seniri
Mao Watanabe
Shellfish row Takaaki
Application Number:
JP2012204689A
Publication Date:
December 07, 2016
Filing Date:
September 18, 2012
Export Citation:
Assignee:
Mitsubishi Heavy Industries Machine Tool Co., Ltd.
International Classes:
B23K26/12; B23K15/04; B23K15/06; B23K26/21; B23K26/70; F16J12/00; F16J13/22
Domestic Patent References:
| JP2001047254A | ||||
| JP3047670U | ||||
| JP7029881A |
Attorney, Agent or Firm:
Ryuichiro Mori
Masatake Shiga
Tadashi Takahashi
Tetsuo Yamazaki
Yasushi Matsunuma
Masatake Shiga
Tadashi Takahashi
Tetsuo Yamazaki
Yasushi Matsunuma