公开(公告)号：US3876486A

公开(公告)日：1975-04-08

申请号：US42257473

申请日：1973-12-06

申请人： PENNINGTON WILLIAM

发明人： PENNINGTON WILLIAM

IPC分类号： B29C65/00 ,  B29C65/04 ,  B29C65/74 ,  B29C27/04

CPC分类号： B29C66/82421 ,  B29C65/04 ,  B29C65/7441 ,  B29C66/1122 ,  B29C66/24244 ,  B29C66/43 ,  B29C66/71 ,  B29C66/80 ,  B29C66/81427 ,  B29C66/8322 ,  B29L2031/7052 ,  Y10S5/932 ,  B29K2027/06

摘要： The heat bonding of plastic sheets includes the steps: A. transmitting high frequency electrical energy in one direction through a first portion of said sheets of sufficient area as to preclude heat bonding of the sheets at said first portion thereof, and B. transmitting said energy back through a second portion of the sheets and of sufficiently reduced area as to effect heating bonding of the sheets at said second portion.

公开(公告)号：US3925835A

公开(公告)日：1975-12-16

申请号：US48496674

申请日：1974-07-01

申请人： PENNINGTON WILLIAM ,  PENNINGTON III WILLIAM

发明人： PENNINGTON WILLIAM ,  PENNINGTON III WILLIAM

IPC分类号： A47C27/08

CPC分类号： A47C27/081 ,  A47C27/085 ,  Y10S5/932

摘要： Plastic sheets bonded together define a main water compartment, a bounding air pressure compartment, and a receptacle extending beneath both such compartments to retain any inadvertently leaking water.

摘要翻译： 粘合在一起的塑料片材限定了主要的水隔间，边界的空气压力室和在两个这样的室之间延伸的容器，以保持任何不经意的泄漏的水。