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1. 发明授权

US4777782A Apparatus and methods for making differentially-conditioned package pairs 失效
标题翻译：用于制作差分条件包装对的装置和方法
公开(公告)号：US4777782A
公开(公告)日：1988-10-18
申请号：US58587
申请日：1987-06-05
申请人： Henry M. Nixon, Jr. , George W. Anderson , John A. Giordano
发明人： Henry M. Nixon, Jr. , George W. Anderson , John A. Giordano
IPC分类号： B65B7/28 , B65B31/02 , B65B31/04
CPC分类号： B65B31/021
摘要： Different products are hermetically sealed in separate but integrally adjoining packages to form package pairs or what might be called "dual" packages. All of the packages are made from two continuous sheets of plastic packaging material, and the separate packages of each pair are differentially-conditioned by differential evacuation and/or gassing to different pressure levels. A continuous series of filled side-by-side containers formed from one sheet of packaging material is conveyed in two parallel rows into a sealing region where a cover sheet is laid over the containers to form packages. A group of the packages is stopped in the sealing region, and are clamped and partially sealed around the peripheries of the individual packages. The individual side-by-side units of the package pairs are differentially conditioned as to vacuum pressure or gas pressure or composition through aligned openings between adjacent containers in each of the parallel rows. The aligned openings and the remainder of the peripheries around the package then are sealed, and the completed package pairs are removed from the sealing region. The differential conditioning of the package pairs may be by way of differential evacuation, or evacuation followed by back-filling the packages with different pressures of gas, or other combinations.

2. 发明授权

US5385003A Method and apparatus for moving and closing packaging trays 失效
标题翻译：用于移动和关闭包装托盘的方法和装置
公开(公告)号：US5385003A
公开(公告)日：1995-01-31
申请号：US118414
申请日：1993-09-08
申请人： Henry M. Nixon, Jr. , Frank Schell , Keith MacDonald
发明人： Henry M. Nixon, Jr. , Frank Schell , Keith MacDonald
IPC分类号： B65B5/06 , B65B57/08 , B65B43/52 , B65B43/48 , B65B65/02
CPC分类号： B65B5/068 , B65B57/08
摘要： In order to prevent spilling the contents or fracturing a package being filled, a rigid tray is moved into a filling area by pushers in which the pusher is advanced under controlled acceleration and then deceleration for gently stopping the pusher in contact with or in close proximity to a filled tray. A short time delay in movement of the tray is provided and then the pusher is advanced along with the tray moved thereby under a controlled acceleration into a sealing station. The tray is brought under controlled deceleration to stop in the sealing station at a predetermined position where another short time delay is provided in the stop position of the pusher. The pusher is then retracted to a safe position out of the way in order to permit the sealing of the tray without the interference of the pusher while the tray is sealed. The sealed tray is then transferred to an outfeed area and the sequence is repeated for filling and sealing a following tray. The machine includes a digital indexer which is programmed for index length, acceleration/deceleration time and other associated scaling constants.
摘要翻译：为了防止内容物溢出或破裂被填充的包装，刚性托盘通过推动器移动到填充区域中，其中推动器在受控制的加速度下前进，然后减速以缓慢地推动推动器接触或非常接近一个填充的托盘。提供托盘运动的短时间延迟，然后推动器随着托盘的移动而在受控的加速下进入密封站。托盘受到控制的减速，在密封站中在推动器的停止位置处设置另外短暂的延迟的预定位置停止。然后将推动器缩回到安全位置，以便在托盘被密封的同时允许托盘的密封而不受推动器的干扰。然后将密封的托盘转移到出料区域，并重复该顺序以填充和密封随后的托盘。该机器包括一个数字分度器，编程索引长度，加速/减速时间以及其他相关的缩放常数。

3. 发明授权

US4831811A Apparatus and methods for making differentially-conditioned package pairs 失效
标题翻译：用于制作差分条件包装对的装置和方法
公开(公告)号：US4831811A
公开(公告)日：1989-05-23
申请号：US208065
申请日：1988-06-17
申请人： Henry M. Nixon, Jr. , George W. Anderson , John A. Giordano
发明人： Henry M. Nixon, Jr. , George W. Anderson , John A. Giordano
IPC分类号： B65B7/28 , B65B31/02
CPC分类号： B65B31/021
摘要： Different products are hermetically sealed in separate but integrally adjoining packages to form package pairs or what might be called "dual" packages. All of the packages are made from two continuous sheets of plastic packaging material, and the separate packages of each pair are differentially-conditioned by differential evacuation and/or gassing to different pressure levels. A continuous series of filled side-by-side containers formed from one sheet of packaging material is conveyed in two parallel rows into a sealing region where a cover sheet is laid over the containers to form packages. A group of the packages is stopped in the sealing region, and are clamped and partially sealed around the peripheries of the individual packages. The individual side-by-side units of the package pairs are differentially conditioned as to vacuum pressure or gas pressure or composition through aligned openings between adjacent containers in each of the parallel rows. The aligned openings and the remainder of the peripheries around the package then are sealed, and the completed package pairs are removed from the sealing region. The differential conditioning of the package pairs may be by way of differential evacuation, or evacuation followed by back-filling the packages with different pressures of gas, or other combinations.

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