首页> 外国专利> Apparatus for the application of a plasma in an internal wall of a plastic article, apparatus for application of a plasma in an internal wall of an article not driver; apparatus for PALicacao of a plasma on the wall to lumen of a tube of plastic; and process for the treatment of a wall of a lumen of a tube of plastic

Apparatus for the application of a plasma in an internal wall of a plastic article, apparatus for application of a plasma in an internal wall of an article not driver; apparatus for PALicacao of a plasma on the wall to lumen of a tube of plastic; and process for the treatment of a wall of a lumen of a tube of plastic

机译：用于在塑料制品的内壁中施加等离子体的设备，用于在非驱动器的制品的内壁中施加等离子体的设备;用于在壁上将等离子体PALicacao连接到塑料管腔的设备;和处理塑料管腔壁的方法

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摘要

An apparatus for generating a plasma in the lumen of a small diameter tube includes a housing having a diaphragm which separates the housing into a first chamber equipped with a gas inbleed assembly and a second chamber connected to a vacuum source. Parallel plate electrodes in the first chamber are encased in a dielectric which prevents substantially all plasma discharge external of a plasma zone between the electrodes. A conduit maintains gas flow between the chambers. A bore through the dielectric includes the plasma zone and receives the tube to be plasma treated.PPA method for treating the luminal wall of a plastic tube includes positioning a tube in the plasma zone, evacuating the chambers, bleeding a gas into the chambers, and delivering radiofrequency power to the electrodes. A long tube may be drawn through the plasma zone, or the dielectric and electrodes may be moved past the tube.

机译：一种用于在小直径管的内腔中产生等离子体的设备，其包括具有隔膜的壳体，该隔膜将壳体分成配备有气体注入组件的第一腔室和连接至真空源的第二腔室。第一室中的平行板电极被包裹在电介质中，该电介质基本上防止了在电极之间的等离子体区域外部的所有等离子体放电。导管维持腔室之间的气流。穿过电介质的孔包括等离子区，并接收要进行等离子处理的管。一种处理塑料管腔壁的方法包括将管放置在等离子区，排空腔室，排空管腔。气体进入腔室，并向电极传递射频功率。可以通过等离子区抽出一根长管，或者将电介质和电极移过该管。

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公开/公告号BR8903167A

专利类型
公开/公告日1990-02-13

原文格式PDF
申请/专利权人 BECTON DICKINSON AND COMPANY;
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申请/专利号BR19898903167
发明设计人 DAVID B. MONTGOMERY;JOEL L. WILLIAMS;
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申请日1989-06-28
分类号A61L33;A61F2/06;C08J7;C23C16/04;C23C16/509;
国家 BR
入库时间 2022-08-22 06:19:53

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