Title:
METHOD FOR SUPPLYING VAPORIZATION ROD STOCK INTO DRY PLATING BATH
Document Type and Number:
Japanese Patent JPH01176070
Kind Code:
A
Abstract:
PURPOSE:To continuously supply a rod stock and to prevent the falling of the end of the rod stock by providing a rugged surface on the ends of the rod stock and shrink-fitting the tail end of the preceding rod stock to the leading part of the succeeding rod stock with an electron beam. CONSTITUTION:After a push bar 8 in a vaporization rod stock fixing chamber 2 is advanced to the forward limit, the bar 8 is retreated to a fixation waiting position, and a gate valve 3 between a vapor-deposition chamber 4 and the fixing chamber 2 is closed. The rod stock having a recessed surface at the tail end is fixed by a rod stock fixing jig 13, and the recessed surface end is heated by an electron beam gun 14. The inside of the fixing chamber 2 is adjusted to atmospheric pressure, the rod stock is fixed from the outside, and the leading recessed surface is rapidly pushed into the projecting surface of the preceding rod. The inside of the fixing chamber is simultaneously evacuated, the valve 3 is opened, and then the leading projecting surface of the pushed-in rod stock is engaged with the tail-end recessed surface of the preceding rod slightly expanded by thermal expansion. A beam is then projected to join both rods, the rod stock is continuously pushed out, and normal operation is carried out.
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Inventors:
KATSURA SHIGEFUMI
NAKAHARA HISANAO
NAGAMINE TSUNEO
TAKAHASHI NORIO
SUZUKI FUMIHITO
NAKAHARA HISANAO
NAGAMINE TSUNEO
TAKAHASHI NORIO
SUZUKI FUMIHITO
Application Number:
JP33026987A
Publication Date:
July 12, 1989
Filing Date:
December 28, 1987
Export Citation:
Assignee:
KAWASAKI STEEL CO
International Classes:
C23C14/24; (IPC1-7): C23C14/24
Attorney, Agent or Firm:
Akihide Sugimura (1 outside)