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1. 发明授权

US5221510A Method for forming curing envelope 失效
标题翻译：形成固化膜的方法
公开(公告)号：US5221510A
公开(公告)日：1993-06-22
申请号：US823178
申请日：1992-01-21
申请人： Calvin M. Kassaw, Jr. , Jolanta K. Klimek
发明人： Calvin M. Kassaw, Jr. , Jolanta K. Klimek
IPC分类号： B29C43/10 , B29C43/36 , B29C43/40
CPC分类号： B29D30/542 , B29C43/104 , B29C43/40 , B29C43/3642 , B29K2105/24
摘要： An apparatus and method for forming curing envelopes which apparatus and method enable the use of a conventional inner tube mold for making a curing envelope perform in the form of an envelope tube which may have a portion thereof easily removed to provide a curing envelope suitable for use in a tire retreading process. A curing envelope is made by placing an annular tube of uncured envelope material in a curing mold having a center core and a mold insert installed therein. The insert includes a pair of coaxial annular rings projecting radially outwardly from the center core and connecting straps for maintaining the axial spacing between the rings. The mold is closed and heat and internal pressure are applied to the envelope tube for curing the envelope tube and urging the tube against the interior cavity surface with the annular rings penetrating into the inner wall of the tube for forming therein corresponding annular grooves. The mold is then opened and the envelope tube is removed from the mold after which the envelope tube is severed along the annular grooves to remove the portion of the inner wall of the envelope tube between the grooves thereby to form a curing envelope of generally U-shape cross-section.
摘要翻译：一种用于形成固化包封的装置和方法，该装置和方法能够使用常规的内管模具来制造固化壳体，其形式为密封管，该封套管可以容易地移除其一部分以提供适合使用的固化膜在轮胎翻新过程中。通过将未固化的包封材料的环形管放置在其中安装有中心芯和模具插入件的固化模具中来制备固化封套。插入件包括从中心芯径向向外突出的一对同轴环形环，并且连接带以保持环之间的轴向间隔。模具闭合，加热和内部压力施加到信封管上，用于固化信封管并且将管子推向内腔表面，环形环穿过管的内壁，以在其中形成相应的环形槽。然后打开模具，并且将信封管从模具中取出，之后沿着环形槽切断信封管，以移除沟槽之间的封套管内壁的一部分，从而形成通常为U形的固化封套，形状横截面。

2. 发明授权

US5346378A Apparatus for forming a curing envelope 失效
标题翻译：用于形成固化外壳的装置
公开(公告)号：US5346378A
公开(公告)日：1994-09-13
申请号：US45028
申请日：1993-04-09
申请人： Calvin M. Kassaw, Jr. , Jolanta K. Klimek
发明人： Calvin M. Kassaw, Jr. , Jolanta K. Klimek
IPC分类号： B29C43/10 , B29C43/36 , B29C43/40 , B29C33/42
CPC分类号： B29D30/542 , B29C43/104 , B29C43/40 , B29C43/3642 , B29K2105/24
摘要： An apparatus for forming curing envelopes which apparatus enables the use of a conventional inner tube mold for making a curing envelope preform in the form of an envelope tube which may have a portion thereof easily removed to provide a curing envelope suitable for use in a tire retreading process. A curing envelope is made by placing an annular tube of uncured envelope material in a curing mold having a center core and a mold insert installed therein. The insert includes a pair of coaxial annular rings projecting radially outwardly from the center core and connecting straps for maintaining the axial spacing between the rings. The mold is closed and heat and internal pressure are applied to the envelope tube for curing the envelope tube and urging the tube against the interior cavity surface with the annular rings penetrating into the inner wall of the tube for forming therein corresponding annular grooves. The mold is then opened and the envelope tube is removed from the mold after which the envelope tube is severed along the annular grooves to remove the portion of the inner wall of the envelope tube between the grooves thereby to form a curing envelope of generally U-shape cross-section.
摘要翻译：一种用于形成固化信封的装置，其装置使得能够使用常规的内管模具来制造密封管形式的固化信封预制件，其可以容易地移除其部分，以提供适合用于轮胎翻新的固化封套处理。通过将未固化的包封材料的环形管放置在其中安装有中心芯和模具插入件的固化模具中来制备固化封套。插入件包括从中心芯径向向外突出的一对同轴环形环，并且连接带以保持环之间的轴向间隔。模具闭合，加热和内部压力施加到信封管上，用于固化信封管并且将管子推向内腔表面，环形环穿过管的内壁，以在其中形成相应的环形槽。然后打开模具，并且将信封管从模具中取出，之后沿着环形槽切断信封管，以移除沟槽之间的封套管内壁的一部分，从而形成通常为U形的固化封套，形状横截面。

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