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公开(公告)号：US3691619A
公开(公告)日：1972-09-19
申请号：US3691619D
申请日：1970-07-28
Applicant: DOW CHEMICAL CO
Inventor： STACK EUGENE V , BURNETT EDWARD L
CPC classification number: F16L57/00 , B29C63/0082 , B29C63/18 , B29C63/343 , B29C67/0014 , F16L23/12 , F16L58/1027 , Y10T29/49872 , Y10T29/49945 , Y10T29/53652 , Y10T29/53657
Abstract: Tapered cavities are lined with a plastic liner such as a reducer filler flange by forcing a deformable plastic tube into the cavity to reduce the diameter of at least the portion of the tube which passes through the cavity and flanges are formed on the plastic tube.
Abstract translation: 锥形空腔通过迫使可变形的塑料管进入空腔中来减少至少通过空腔的管的部分的直径，并且在塑料管上形成凸缘，从而衬有塑料衬里，例如减速器填充法兰。
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公开(公告)号：US3691617A
公开(公告)日：1972-09-19
申请号：US3691617D
申请日：1970-06-29
Applicant: DOW CHEMICAL CO
Inventor： BURNETT EDWARD L
CPC classification number: B29D23/006 , B29C63/26 , F16L58/1027 , Y10T29/4981 , Y10T29/49872 , Y10T29/49945 , Y10T29/53652 , Y10T29/53657
Abstract: A plastic tube is filled with a material having a low compressive strength. The plastic tube is then forced into a cavity which is to be lined, such as a pipe fitting. The low strength filler material prevents collapse and deformation of the tube as it conforms to the cavity being lined.
Abstract translation: 塑料管填充有低抗压强度的材料。 塑料管然后被迫进入要衬里的空腔，例如管接头。 低强度填充材料可以防止管子因符合内衬的空腔而发生塌陷和变形。
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公开(公告)号：US3687333A
公开(公告)日：1972-08-29
申请号：US3687333D
申请日：1970-11-23
Applicant: DOW CHEMICAL CO
Inventor： BURNETT EDWARD L , STACK EUGENE V
CPC classification number: F16J15/062 , B01J3/03 , B65D81/2053
Abstract: A lightweight sealing structure is provided for pressure vessels wherein a resilient ring carrying two O-rings is positioned adjacent the closure and wall of the vessel. Internal pressure urges the resilient ring and O-rings into sealing engagement with the internal surface of the vessel.
Abstract translation: 为压力容器提供轻质密封结构，其中承载两个O形环的弹性环邻近容器的封闭件和壁定位。 内部压力促使弹性环和O形环与容器的内表面密封接合。
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