IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0845061
(1992-03-03)
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발명자
/ 주소 |
- Zopf Thomas J. (Largo FL)
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출원인 / 주소 |
- Autoprod, Inc. (Clearwater FL 02)
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인용정보 |
피인용 횟수 :
9 인용 특허 :
0 |
초록
▼
A packaging apparatus that seals a product within a container while under a controlled environment. The container, holding a product and having a lid tacked to the open end thereof leaving vents between the lid and the container. The container is enclosed within a chamber having a device for control
A packaging apparatus that seals a product within a container while under a controlled environment. The container, holding a product and having a lid tacked to the open end thereof leaving vents between the lid and the container. The container is enclosed within a chamber having a device for controlling the flow of fluid into and out of the chamber. The chamber and container are evacuated and then flushed with an inert fluid at least once. While the container is still within the chamber the lid is completely peelably sealed to the container.
대표청구항
▼
A packaging apparatus primarily intended for use with containers that have a closed bottom, at least one side, an open top, a top edge with a lip attached thereon and a separate heat sealable lid, said apparatus having provisions for loading the containers in a transport carrier, provisions for fill
A packaging apparatus primarily intended for use with containers that have a closed bottom, at least one side, an open top, a top edge with a lip attached thereon and a separate heat sealable lid, said apparatus having provisions for loading the containers in a transport carrier, provisions for filling the containers, provisions for placing a heat sealable lid aligned with and proximal to the lip of the container and provisions for off-loading the filled and sealed containers, the improvement comprising: at least one station installed on at least one support frame; at least one transport carrier supported for movement along a predetermined path, said carrier comprising at least one receptacle sized and configured to receive one said container; means for transporting said transport carrier along said path between said stations in a predetermined sequence; means for engaging and tacking said lid to said container; means for evacuating, flushing and sealing said container comprising; at least one chamber connected to said support frame, said chamber comprising; an upper chamber portion comprising a hollow body having a closed top, open bottom and at least one side, an upper chamber portion support structure connecting said upper chamber portion to said support frame, said upper chamber portion support structure supporting said upper chamber portion for movement between an open position and a closed position; a lower chamber portion comprising a hollow body having an open top, closed bottom and at least one side, a lower chamber portion support structure connecting said lower chamber portion to said support frame, said lower chamber support structure supporting said lower chamber portion for movement between an open and a closed position; and actuating means selectively moving said lower chamber portion and said upper chamber portion between said respective open and closed positions, such that, in said closed positions, said transport carrier is sealingly interposed between said open bottom of said upper chamber portion and said open top of said lower chamber portion, with said one container inserted in said transport carrier being enclosed by said upper chamber portion and said lower chamber portions, whereby said chamber is formed, and, in said open position, said upper chamber portion and said lower chamber portion are spaced apart so that said transport carrier with said container inserted therein may pass therebetween; means for evacuating said chamber connected in fluid flow relation to said upper chamber portion and to said lower chamber portion; means for flushing said chamber, connected in fluid flow relation to said upper chamber portion and to said lower chamber portion; means for selectively controlling the flow of a fluid between said means for evacuating said chamber and said upper chamber portion, between said means for evacuation said chamber and said lower chamber portion, between said means for flushing said chamber and said upper chamber portion and between said means for flushing said chamber and said lower chamber portion; a seal plate assembly comprising a seal plate movably housed within said upper chamber portion of said chamber, said seal plate being movable between a sealing position and a storage position, said seal plate having a continuous ridge projecting downwardly therefrom, said ridge configured to overlie said lip of said container so that, when said seal plate is in said sealing position, said lid is interposed between said ridge of said seal plate and said lip of said container; means for heating said continuous ridge whereby said lid is attached to said lip of said container by application of said heated ridge thereto; and seal plate operating means connected to said seal plate to move said seal plate between said sealing position and said storage position; and means for controlling the operation of said packaging apparatus to effect a predetermined sequence of steps comprising evacuation and flushing of said chamber and said container during a single cycle in which air is evacuated generally simultaneously from said upper chamber portion and said lower chamber portion and then said upper chamber portion and said lower chamber portion are simultaneously flushed with a fluid, then sealing said lid to said container, said evacuation, flushing and sealing all being performed within said chamber.
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