Title:
Vacuum packaging machine
Document Type and Number:
Japanese Patent JP6236370
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent a hollow seal portion from protruding in a lateral direction from a narrow portion of a groove with a step and prevent the hollow seal portion from rupturing between a chamber base and a chamber cover when the chamber base is closed with the chamber cover.SOLUTION: In a vacuum packing machine 10, a packing 20 attached to a groove 15 with a step formed at a peripheral part of a chamber cover 14 comprises: an attached base portion 21 that is fitted and attached to a wide portion 15a of the groove 15 with a step; and a hollow seal portion 22 that protrudes through an opening of the groove 15 with a step in a width narrower than a narrow portion 15b from the attached base portion 21, and seals air-tightly a space between the chamber base 13 and the chamber cover 14. A width of the attached base portion 21 is set to be longer than a width of the wide portion 15a of the groove 15 with a step, and at a center part in a width direction, on a surface opposing to a bottom wall of the groove 15 with a step, of the attached base portion 21 is formed a recessed groove 21a lower than the height of the wide portion 15a.SELECTED DRAWING: Figure 3
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Inventors:
Naoshi Kondo
Masahiro Fujita
Takenobu Sofukawa
Masahiro Fujita
Takenobu Sofukawa
Application Number:
JP2014185466A
Publication Date:
November 22, 2017
Filing Date:
September 11, 2014
Export Citation:
Assignee:
Hoshizaki Corporation
International Classes:
B65B31/02; B65D90/08
Domestic Patent References:
| JP6081906U | ||||
| JP2003322257A | ||||
| JP2009014038A | ||||
| JP11043108A | ||||
| JP5081565U |
Attorney, Agent or Firm:
Teruichi Hase
Yusuke Nagai
Yusuke Nagai