MATRICE DE MOULAGE PAR EXTRUSION, APPAREIL DE MOULAGE PAR EXTRUSION, TUBE A USAGE MEDICAL ET METHODE DE PRODUCTION DUDIT TUBE A USAGE MEDICAL

• 收藏
• 分享

专利权人:

TYCO HEALTHCARE GROUP LP

发明人:

OHIGAWA, ATSUSHI,TAMURA, TOMOYUKI,YOKOTA, SHINICHIRO

申请号：

CA2765014

公开号：

CA2765014A1

申请日:

2012.01.23

申请国别(地区):

CA

年份:

2012

代理人:

摘要：

An extrusion molding die is provided which produces a tube that contains aportion inwhich the cross-sectional area ratio of an inner layer and outer layer inaxial cross-sectioncontinuously varies, wherein said cross-sectional area ratio can be changed ina short time. Theextrusion molding die 50 moves a second inner layer mandrel 54 in the axialdirection andchanges the flow passage volume of an inner layer resin flow passage 62a inaccordance withchanges in supply quantity of an inner layer forming resin.

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/