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21. 发明授权

US4549066A Trimming of polyester containers using a laser 失效
标题翻译：使用激光修整聚酯容器
公开(公告)号：US4549066A
公开(公告)日：1985-10-22
申请号：US583543
申请日：1984-02-24
申请人： David P. Piccioli , Ieuan L. Harry , Richard E. Clark
发明人： David P. Piccioli , Ieuan L. Harry , Richard E. Clark
IPC分类号： B23K26/00 , B23K26/08 , B23K26/14 , B23K26/36 , B23K26/40 , B29C31/00 , B29C37/02 , B29C57/00
CPC分类号： B29C57/00 , B23K26/0006 , B23K26/064 , B23K26/0823 , B23K26/1224 , B23K26/142 , B23K26/1436 , B23K26/147 , B23K26/361 , B29C31/002 , B29C37/02 , B29C49/74 , B23K2203/16 , B23K2203/42 , B29C49/06 , B29L2009/00 , B29L2031/712 , Y10S425/806
摘要： This relates to the cutting or trimming of a blow molded polyester resin article utilizing a CO.sub.2 laser. The article is axially positioned and rotated while the laser beam is focused and concentrated on a preselected portion of the article. The laser beam beneficially vaporizes the polyester resin in the cutting thereof as opposed to forming a dust. Further, the action of the laser is one wherein a certain melting occurs so that the resultant cut edge of the retained part of the article is rounded and sealed.
摘要翻译：这涉及利用CO 2激光的吹塑聚酯树脂制品的切割或修剪。当激光束被聚焦并集中在制品的预选部分上时，制品被轴向定位和旋转。激光束在切割时有利地蒸发聚酯树脂，而不是形成灰尘。此外，激光的作用是发生某种熔融的作用，使得制品的保留部分的合成切割边缘被圆形和密封。

22. 发明授权

US4539463A Trimming of polyester containers using a laser 失效
标题翻译：使用激光修整聚酯容器
公开(公告)号：US4539463A
公开(公告)日：1985-09-03
申请号：US644471
申请日：1984-08-27
申请人： David P. Piccioli , Ieuan L. Harry , Richard E. Clark
发明人： David P. Piccioli , Ieuan L. Harry , Richard E. Clark
IPC分类号： B23K26/00 , B23K26/08 , B23K26/14 , B23K26/36 , B29C31/00 , B29C37/02 , B29C57/00
CPC分类号： B29C31/002 , B23K26/0006 , B23K26/064 , B23K26/0823 , B23K26/142 , B23K26/1436 , B23K26/1462 , B23K26/361 , B29C37/02 , B29C49/74 , B29C57/00 , B23K2203/16 , B23K2203/42 , B29C49/06 , B29C49/22 , B29L2009/00 , B29L2031/712 , Y10S425/806
摘要： A plastic jar is formed by blow molding a combination adapter and jar and thereafter the jar is cut from the adapter utilizing a laser beam. The jar may be blow molded from a preform which is of an injection molded laminated construction so that the wall of the jar is formed of plural layers. The head generated by the laser beam will melt and bond together these layers as opposed to permitting delamination as would occur should the jar be cut from the adapter by a knife or the like. The cut surface of the jar forms the mouth defining surface of the jar and it is preferred that the cut be inclined at a slight angle to a plane normal to the axis of the jar. Damage to the diametrically opposite surface of the jar by portions of the laser beam being utilized for cut off passing through the jar is prevented by a pressurized gas supply tube which is in the path of the laser beam and serves as an absorber for stray rays. This abstract is not to be construed as limiting the claims of the application.
摘要翻译：通过吹塑组合适配器和罐形成塑料罐，然后使用激光束从适配器切割罐。罐可以由注射成型的层压结构的预成型件吹塑成，使得罐的壁由多层形成。由激光束产生的头部将熔化并将这些层粘合在一起，而不会如通过刀等从适配器切割瓶子时发生分层。罐的切割表面形成罐的口部限定表面，并且优选地，切口以与垂直于罐的轴线的平面成微小的角度倾斜。通过用于切断通过罐的激光束的部分通过在激光束的路径中的加压气体供应管来防止由罐的径向相对的表面的损坏，并且用作杂散射线的吸收体。本摘要不应被解释为限制本申请的权利要求。

23. 发明授权

US4015464A Ultrasonic continuous wave particle monitor 失效
标题翻译：超声波连续波粒子监测仪
公开(公告)号：US4015464A
公开(公告)日：1977-04-05
申请号：US551913
申请日：1975-02-21
申请人： James G. Miller , Richard E. Clark , Mark S. Conradi , Dennis R. Dietz , Joseph S. Heyman
发明人： James G. Miller , Richard E. Clark , Mark S. Conradi , Dennis R. Dietz , Joseph S. Heyman
IPC分类号： G01N29/032 , G01N29/036 , G01N29/02 , G01N15/00
CPC分类号： G01N29/032 , G01N29/036 , G01N2291/012 , G01N2291/015 , G01N2291/02416 , G01N2291/02433 , G01N2291/0421
摘要： Apparatus for sensing particles in a fluid medium comprising an ultrasonic resonant cavity for containing a fluid medium. A first transducer on one side of the cavity continuously propagates thereacross ultrasonic compressional waves whose phase and amplitude are perturbed by the presence of particles in the fluid medium. A second transducer positioned on the opposite side of the cavity from the first transducer substantially parallel to and in registry therewith receives the ultrasonic waves and converts them to rf electric waves of the same frequency, the rf electric waves having their phases and amplitudes modulated in response to any perturbations in the ultrasonic waves. The rf waves are amplified and fedback to the first transducer thereby to establish an oscillatory circuit. An attenuator in the oscillatory circuit causes its operation to be marginally oscillatory whereby small changes in the amplitude of the rf waves caused by any perturbations in the ultrasonic waves produce relatively large changes in the amplitude thereof. A detector responsive to perturbations in the rf wave demodulates the amplified rf wave to produce signals indicative of the presence of particles in the fluid medium. Thus, enhanced sensitivity to small changes in the ultrasonic properties of the fluid medium caused by the presence of particles therein is achieved.
摘要翻译：用于感测流体介质中的颗粒的装置，包括用于容纳流体介质的超声谐振腔。空腔一侧的第一个传感器连续传播超声波压缩波，其相位和幅度受流体介质中颗粒的存在扰动。位于与第一换能器相反侧的与第一换能器相反侧的第二换能器基本上平行于并与之对准地接收超声波并将其转换成具有相同频率的rf电波，其中rf电波具有响应的调制幅度超声波中的任何扰动。 rf波被放大并反馈到第一个换能器，从而建立振荡电路。振荡电路中的衰减器使其操作略微振荡，从而由超声波中的任何扰动引起的rf波的振幅的小的变化产生其幅度相对较大的变化。响应于rf波中的扰动的检测器解调放大的rf波以产生指示流体介质中颗粒存在的信号。因此，实现了由其中存在颗粒引起的流体介质的超声波特性的小变化的增强的敏感性。

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