Title:
医療用チューブの押出成形用金型および押出成形方法
Document Type and Number:
Japanese Patent JP5147231
Kind Code:
B2
Abstract:
To provide the mold for extrusion molding the medical application tube and the extrusion molding method thereof in which the medical application tube having a complex profile can be molded by using a soft thermoplastic resin. The mold for extrusion molding the medical application tube (10) made of the soft thermoplastic resin provided with the flow paths (13a,13b) and (13d) sandwiching the axial portion therein comprises the mold body (21) and the pin (22) including the land portion (23). The cylindrical rear side mold space for passing the molding material between the inner peripheral surface of the recesses (26a and 27a) of the mold body (21) and the outer peripheral surface of the pin (22), and the tip end side mold space including the cross section for forming the medical application tube (10) between the inner peripheral surface of the recess (28a) and the land portion (23) of the mold body (21). Further, the cross section of the rear side portion in the cross section of the tip end side mold space is formed to the intermediate profile of the cross section of the tip end portion of the tip end side mold space and the cross section of the tip end portion of the rear side mold space.
Inventors:
Atsushi Oikawa
Kazuhiro Abe
Kazuhiro Abe
Application Number:
JP2006349617A
Publication Date:
February 20, 2013
Filing Date:
December 26, 2006
Export Citation:
Assignee:
Japan Covidien Co., Ltd.
International Classes:
A61J15/00; A61M1/00; A61M25/00; B29C48/11; B29C48/32; B29L23/00
Domestic Patent References:
| JP2002240127A | ||||
| JP2002283433A | ||||
| JP11170332A | ||||
| JP2001269983A |
Foreign References:
| WO2005120804A1 |
Attorney, Agent or Firm:
Patent business corporation Prospec patent office