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1. 发明授权

US4984414A Apparatus and method for sealing a lid onto a container 失效
标题翻译：将盖子密封在容器上的装置和方法
公开(公告)号：US4984414A
公开(公告)日：1991-01-15
申请号：US476245
申请日：1990-02-07
申请人： George D. Pfaffmann , Charles S. Kubis , John P. Currie , Norbert R. Balzer , John Walter , Graham R. Adams
发明人： George D. Pfaffmann , Charles S. Kubis , John P. Currie , Norbert R. Balzer , John Walter , Graham R. Adams
IPC分类号： B29C65/02 , B29C65/78 , B65B7/28 , B65B51/22
CPC分类号： B65B7/2878 , B29C65/3644 , B29C65/3656 , B29C65/3668 , B29C65/368 , B29C65/7885 , B29C66/112 , B29C66/131 , B29C66/24223 , B29C66/53461 , B29C66/72321 , B29C66/80 , B29C66/8167 , B29C66/83541 , B65B51/227
摘要： A method and apparatus for sealing a flat lid with a lower layer of heat bondable material onto the upper, generally flat surface of a flange extending around the periphery of an access opening in a container of the type used to store a substance susceptible to deterioration when exposed to atmosphere for a prolonged time such as prepared foods, which method and apparatus moves a separate and distinct heating unit with a downwardly facing heating ring in a preselected path, preferably circular in shape, between first and second positions, includes a generally fixed high frequency power supply for energizing said heating ring, connects this fixed high frequency power supply to the individual heating rings of the moving heating unit only when the unit is moving between the first and second positions, and energizes the power supply only while the heating unit is moving between the first and second positions. The ring is forced against the lid as the power supply is energized and is released from the ring from the lid after the power supply has been de-energized and before the moving heating unit reaches the second position. Preferably the ring is an inductor and the plurality of heating units are carried by a turret to define individual heating stations on the turret which stations rotate to selectively energize the individual heating units by the single fixed high frequency power supply whereby single power supply energizes a plurality of separate heating stations.
摘要翻译：一种用于将具有下层可热粘合材料的平坦盖密封到凸缘的上部大体上平坦的表面上的方法和装置，所述凸缘围绕用于容纳易于劣化的物质的容器类型的容器的周边的周边延伸，暴露于大气中长时间，例如制备的食物，该方法和装置在第一和第二位置之间的预选路径（优选圆形）中移动具有朝下的加热环的单独且不同的加热单元，包括大致固定的高用于对所述加热环通电的高频电源，仅在单元在第一和第二位置之间移动时将该固定高频电源连接到移动加热单元的各个加热环，并且仅在加热单元为在第一和第二位置之间移动。当电源被通电时，环被迫靠在盖子上，并且在电源被断电之后并且在移动的加热单元到达第二位置之前，该环从盖子从环中释放。优选地，环是电感器，并且多个加热单元由转台承载以限定转台上的各个加热站，这些站转动以通过单个固定的高频电源选择性地激励各个加热单元，由此单个电源激励多个的单独加热站。

2. 发明授权

US5025123A Apparatus and method for sealing a lid onto a container 失效
标题翻译：将盖子密封在容器上的装置和方法
公开(公告)号：US5025123A
公开(公告)日：1991-06-18
申请号：US630802
申请日：1990-12-24
申请人： George D. Pfaffmann , Charles S. Kubis , John P. Currie , Norbert R. Balzer , John Walter , Graham R. Adams
发明人： George D. Pfaffmann , Charles S. Kubis , John P. Currie , Norbert R. Balzer , John Walter , Graham R. Adams
IPC分类号： B29C65/02 , B29C65/78 , B65B7/28 , B65B51/22
CPC分类号： B29C66/8167 , B29C65/3656 , B29C65/3668 , B29C65/368 , B29C65/7885 , B29C66/112 , B29C66/131 , B29C66/24223 , B29C66/53461 , B29C66/72321 , B29C66/80 , B29C66/8226 , B29C66/82263 , B29C66/8242 , B29C66/83541 , B65B51/227 , B65B7/2878 , B29C66/001 , B29C66/9241 , B29C66/9592 , B29L2009/003 , Y10S53/02
摘要： A modular type replaceable heating unit with a downwardly facing heating ring for use in an apparatus for sealing a flat lid with a lower layer of heat bondable material onto the upper, generally flat surface of a flange extending around the periphery of an access opening in a container. The apparatus moves the heating unit between first and second positions. The apparatus includes a generally fixed high frequency power supply for energizing the heating ring, connecting the high frequency power supply to the heating ring only while the heating unit is moving between the first and second positions. The ring is forced against the lid as the power supply is energized and is released from the lid after the power supply has been de-energized. Preferably the ring is an inductor. A plurality of these heating units is carried by a turret to define individual heating stations on the turret which stations rotate to selectively energize the individual heating units. The heating units include means for coupling with the moving means of the apparatus and a transformer for energizing the heating ring.
摘要翻译：一种具有面向下的加热环的模块化型可更换加热单元，用于将具有下层可热粘合材料的平坦盖密封的装置密封到凸缘的上部大致平坦的表面上，该凸缘围绕着一个入口容器。该装置使加热单元在第一和第二位置之间移动。该装置包括通常固定的高频电源，用于激励加热环，仅在加热单元在第一和第二位置之间移动时将高频电源连接到加热环。当电源通电时，环被强制抵靠盖子，并且在电源断电之后将其从盖子释放。优选地，环是电感器。多个这些加热单元由转台承载以限定转台上的各个加热站，这些工位转动以选择性地激励各个加热单元。加热单元包括用于与装置的移动装置联接的装置和用于激励加热环的变压器。

3. 发明授权

US4941306A Apparatus and method for sealing a lid onto a container 失效
标题翻译：将盖子密封在容器上的装置和方法
公开(公告)号：US4941306A
公开(公告)日：1990-07-17
申请号：US254837
申请日：1988-10-07
申请人： George D. Pfaffmann , Norbert R. Balzer , Charles S. Kubis , John Walter , John P. Currie , Graham R. Adams
发明人： George D. Pfaffmann , Norbert R. Balzer , Charles S. Kubis , John Walter , John P. Currie , Graham R. Adams
IPC分类号： B29C65/02 , B29C65/04 , B29C65/78 , B65B7/28 , B65B51/22
CPC分类号： B29C66/82263 , B29C65/3656 , B29C65/3668 , B29C65/368 , B29C65/7885 , B29C66/112 , B29C66/131 , B29C66/24223 , B29C66/53461 , B29C66/72321 , B29C66/80 , B29C66/8167 , B29C66/83541 , B65B51/227 , B65B7/2878 , B29C66/90 , B29C66/944 , B29C66/949 , B29C66/9592 , Y10S53/02
摘要： A method and apparatus for sealing a flat lid with a lower layer of heat bondable material onto the upper, generally flat surface of a flange extending around the periphery of an access opening in a container of the type used to store a substance susceptible to deterioration when exposed to atmosphere for a prolonged time such as prepared foods, which method and apparatus moves a separate and distinct heating unit with a downwardly facing heating ring in a preselected path, preferably circular in shape, between first and second positions, includes a generally fixed high frequency power supply for energizing said heating ring, connects this fixed high frequency power supply to the individual heating rings of the moving heating unit only when the unit is moving between the first and second positions, and energizes the power supply only while the heating unit is moving between the first and second positions. The ring is forced against the lid as the power supply is energized and is released from the ring from the lid after the power supply has been de-energized and before the moving heating unit reaches the second position. Preferably the ring is an inductor and the plurality of heating units are carried by a turret to define individual heating stations on the turret which stations rotate to selectively energize the individual heating units by the single fixed high frequency power supply whereby single power supply energizes a plurality of separate heating stations.

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