Title:
MEDICAL RUBBER PLUG AND MANUFACTURING METHOD OF THE SAME
Document Type and Number:
Japanese Patent JP2017202848
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a medical rubber plug excellent in chemical resistance and airtightness with good productivity.SOLUTION: A medical rubber plug 1 comprises: a disc-shaped top plate part 11 including a flange part 11a; and a disc-shaped leg part 12 which is protruded from an undersurface of the top plate part and diameter of which is smaller than the top plate part, in which an inactive film 13 is laminated on the undersurface of the flange part and the leg part, and a toric groove 14 exposing a rubber base material is formed on the undersurface of the flange part and/or the outer peripheral surface of the leg part.SELECTED DRAWING: Figure 4
Inventors:
MASUYAMA YOSHIKAZU
NAKANO HIROAKI
NAKANO HIROAKI
Application Number:
JP2016095486A
Publication Date:
November 16, 2017
Filing Date:
May 11, 2016
Export Citation:
Assignee:
SUMITOMO RUBBER IND
International Classes:
B65D39/04; A61J1/05; B29C43/34; B29C43/36
Domestic Patent References:
| JPS5829939U | 1983-02-26 | |||
| JP2006110333A | 2006-04-27 | |||
| JP2015146871A | 2015-08-20 | |||
| JPS5520200A | 1980-02-13 | |||
| JPH08175554A | 1996-07-09 | |||
| JP2014180511A | 2014-09-29 | |||
| JP2004216753A | 2004-08-05 |
Attorney, Agent or Firm:
Atomi International Patent Office
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