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1. 发明授权

US12129063B2 Packaging apparatus and process 有权
公开(公告)号：US12129063B2
公开(公告)日：2024-10-29
申请号：US17768519
申请日：2020-10-14
申请人： Cryovac, LLC
发明人： Stefan Landolt , Peter Schnurrenberger , Peter Müller
IPC分类号： B65B31/04 , B65B7/02 , B65B51/10 , B65B51/18 , B65B51/30 , B65B51/32
CPC分类号： B65B51/18 , B65B7/02 , B65B31/048 , B65B51/30 , B65B51/32 , B65B2051/105
摘要： A packaging apparatus (1) for heat sealing packages (P) comprising a vacuum chamber (4) having an elongated opening (5) extending along or parallel to a longitudinal axis (L) of the vacuum chamber (4) and a conveyor (8) configured for receiving semi-sealed packages (P) and for moving the semi-sealed packages (P) relative to the vacuum chamber (4) along a main movement direction (M) such that each semi-sealed package (P) positioned on the conveyor (8) may have, during the relative movement of the semi-sealed package (P) with respect to the vacuum chamber (4), a terminal portion (TP) passing through the elongated opening (5) with its opening relatively moving within the vacuum chamber (4), while the main portion (MP) relatively moves outside the vacuum chamber (4). The packaging apparatus (1) further comprises evacuation means (9) fluidly communicating with the vacuum chamber (4) for evacuating gas present in the semi-sealed packages (P) and forming evacuated semi-sealed packages (P). The packaging apparatus (1) further comprises a heat sealer (13) configured for heat sealing the terminal portion (TP) of each evacuated semi-sealed package (P) thereby forming heat sealed packages (P). The packaging apparatus (1) is provided with at least one pre-heating unit (39, 40) arranged along the main movement direction (M) upstream of the heat sealing station (14) for pre-heating at least a band of the terminal portion (TP) of each evacuated semi-sealed package (P). A packaging process is also disclosed. The packaging process may use the packaging apparatus (1).

2. 发明公开

US20230219707A1 PACKAGING APPARATUS, HEAT SEALER AND HEAT SEALER MODULE 审中-公开
公开(公告)号：US20230219707A1
公开(公告)日：2023-07-13
申请号：US18093482
申请日：2023-01-05
申请人： Cryovac, LLC
发明人： Stefan Landolt , Peter Schnurrenberger , Peter Müller
IPC分类号： B65B51/18 , B65B51/30
CPC分类号： B65B51/18 , B65B51/30
摘要： A heat sealer module for a heat-sealing station of a packaging apparatus has a sealing belt for contacting a terminal portion of semi-sealed packages and for guiding the terminal portion of the semi-sealed packages along a main movement direction; the heat sealer module also has a first driving belt and a second driving belt to assist in accompanying the packages in proper position for sealing. A heat sealer having opposed heat sealer modules. A packaging apparatus for heat sealing packages having a vacuum chamber with an elongated opening and a conveyor for receiving semi-sealed packages and for moving the semi-sealed packages relative to the vacuum chamber is disclosed. The packaging apparatus includes evacuation means for evacuating gas present in the semi-sealed packages and forming evacuated semi-sealed packages. The packaging apparatus includes the heat sealer for heat sealing the terminal portion of each evacuated semi-sealed package thereby forming heat sealed packages.

3. 发明公开

US20240109678A1 PACKAGING APPARATUS AND PROCESS 审中-公开
公开(公告)号：US20240109678A1
公开(公告)日：2024-04-04
申请号：US17768519
申请日：2020-10-14
申请人： Cryovac, LLC
发明人： Stefan Landolt , Peter Schnurrenberger , Peter Müller
IPC分类号： B65B31/04 , B65B7/02 , B65B51/18 , B65B51/30 , B65B51/32
CPC分类号： B65B31/048 , B65B7/02 , B65B51/18 , B65B51/30 , B65B51/32 , B65B2051/105
摘要： A packaging apparatus (1) for heat sealing packages (P) comprising a vacuum chamber (4) having an elongated opening (5) extending along or parallel to a longitudinal axis (L) of the vacuum chamber (4) and a conveyor (8) configured for receiving semi-sealed packages (P) and for moving the semi-sealed packages (P) relative to the vacuum chamber (4) along a main movement direction (M) such that each semi-sealed package (P) positioned on the conveyor (8) may have, during the relative movement of the semi-sealed package (P) with respect to the vacuum chamber (4), a terminal portion (TP) passing through the elongated opening (5) with its opening relatively moving within the vacuum chamber (4), while the main portion (MP) relatively moves outside the vacuum chamber (4). The packaging apparatus (1) further comprises evacuation means (9) fluidly communicating with the vacuum chamber (4) for evacuating gas present in the semi-sealed packages (P) and forming evacuated semi-sealed packages (P). The packaging apparatus (1) further comprises a heat sealer (13) configured for heat sealing the terminal portion (TP) of each evacuated semi-sealed package (P) thereby forming heat sealed packages (P). The packaging apparatus (1) is provided with at least one pre-heating unit (39, 40) arranged along the main movement direction (M) upstream of the heat sealing station (14) for pre-heating at least a band of the terminal portion (TP) of each evacuated semi-sealed package (P). A packaging process is also disclosed. The packaging process may use the packaging apparatus (1).

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