EP0928270B1 - Vorrichtung zum evakuieren und verschliessen von beutelpackungen - Google Patents

Vorrichtung zum evakuieren und verschliessen von beutelpackungen Download PDF

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Publication number
EP0928270B1
EP0928270B1 EP97935468A EP97935468A EP0928270B1 EP 0928270 B1 EP0928270 B1 EP 0928270B1 EP 97935468 A EP97935468 A EP 97935468A EP 97935468 A EP97935468 A EP 97935468A EP 0928270 B1 EP0928270 B1 EP 0928270B1
Authority
EP
European Patent Office
Prior art keywords
bag
suction
belts
bag pack
top closure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP97935468A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0928270A1 (de
Inventor
Dieter Schenk
Jürgen Haak
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0928270A1 publication Critical patent/EP0928270A1/de
Application granted granted Critical
Publication of EP0928270B1 publication Critical patent/EP0928270B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
    • B65B31/046—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzles co-operating, or being combined, with a device for opening or closing the container or wrapper

Definitions

  • the invention relates to a device for evacuating and Closing bag packs according to the generic term of Claim 1, as for example from DE 40 13 273 A1 has become known.
  • Such devices are one Part of packaging systems on which, for example bags of coffee filled with coffee.
  • the known device has one for each bag pack Evacuation chamber on, both evacuation chamber halves against the flat-folded, from the shoulders of the trunk of the protruding head closure are movable, and this during the evacuation and Start the sealing process.
  • One seal seam in the Head closure of the bag pack forming sealing jaws are arranged in the evacuation chamber halves.
  • the performance of the well-known, clockwise working Device is due to the time required for closing the evacuation chamber and the evacuation of the contents of the bag limited. For this reason, at High-performance packaging systems several of the same kind Devices, for example four devices, used simultaneously. To do this, one Bag pack during a standstill phase of the Conveyor device transporting bag packs a transfer device into one of the devices transferred. After completion of the evacuation and The sealing process is carried out during a bag pack another standstill phase of the conveyor again in the conveyor kicked back. Such Arrangement of several devices is very complex built up because in addition to the devices themselves additional transfer devices required. Furthermore the arrangement of several known devices has one very high space requirement.
  • the device according to the invention for evacuating and closing bag packs with the characterizing features of claim 1 has the advantage that it is very compact in construction with high performance and is relatively simple in construction.
  • the use of suction belts for evacuating the bag packs also has the particular advantage that the performance of the device can be increased almost arbitrarily in a simple manner by increasing the length of the suction belts. By a corresponding extension of the suction belts, a sufficiently long dwell time in the device for the evacuation and sealing is achieved even with a relatively high conveying speed of the bag packs.
  • the high performance of the device means that a single device according to the invention is sufficient even in high-performance packaging systems which produce over 100 sachet packs per minute.
  • suction tapes As a result, no additional transfer devices are required, that is to say that the bag packs can remain in their conveying device, which further reduces the structural outlay.
  • a further advantage in the use of the suction tapes claimed is that the device is almost format-independent, which means that bag packs of any size and different film thicknesses can be processed.
  • An adaptation to different height formats is possible, for example, by the distance between the suction belts and the conveyor.
  • the elasticity of the suction belts which are constructed, for example, using elastic plastics, ensures compensation for different film thicknesses, so that the distance between the opposite suction belts does not have to be adjusted. Due to the fact that the suction belts are moved synchronously with the conveying device, both cyclical operation and continuous operation of the device are possible.
  • the arrangement of the sealing device below the upper one Suction tapes have the advantage that the bag packs up to Form the top cross seam are always sealed, so that none Air or no oxygen into a once evacuated Bag pack flows back. Furthermore, the Sealing device thereby from the actual Evacuation device separated, so that the sealing device very accessible for cleaning and maintenance work is.
  • FIG. 1 shows a device for Evacuation and sealing of bag packs in one simplified front view
  • Figure 2 shows the device Figure 1 in a plan view
  • Figure 3 shows a section in the Level III-III of Figure 1
  • Figure 4 through a longitudinal section the inlet area of the device
  • Figure 5 a Section in the plane V-V of Figure 4.
  • the device 10 shown in the figures for Evacuation and sealing of bag packs 1 is Part of a packaging system, not shown.
  • the packaging system one becomes Packaging material blank shaped a bag pack 1, this then in a filling station with a certain amount of Filled goods, for example coffee, filled, after which the filled Bag package 1 after passing device 10 further treatment stations, in particular one Head closing station and one if necessary Labeling station is fed.
  • Filled goods for example coffee
  • folding station 15 is provided, in which the Side walls of the head region 2 of the bag pack 1 Folded flat like fins so that they are vertical up from the shoulders of the trunk 3 of the sachet 1 stands out.
  • the device 10 has at the level of the head region 2 Bag packs 1 two arranged opposite each other Suction conveyor 16, 17, between which the head region 2 the bag packs 1 is conveyed along.
  • Suction conveyor 16, 17 consists of a lower, narrow Suction belt 18, 19, and an upper, wide suction belt 20, 21.
  • the upper suction belts 20, 21 are longer than that lower suction belts 18, 19.
  • the suction belts 18 to 21 have a common, over the height of both suction belts 18, 20 or 19, 21 reaching, driven deflection wheel 22, 23, and in each case the height of the corresponding suction belt 18, 19 or 20, 21 having lower deflection wheel 24, 25 or upper deflection wheel 26, 27.
  • the two driven deflection wheels 22, 23 coupled to each other, and from a common motor, not shown driven so that the suction belts 18 to 21 synchronously and move at the same speed.
  • This Conveying speed of the suction belts 18 to 21 corresponds again the conveying speed of the cup chain 11.
  • the arrangement of the suction belts 18 to 21 is such that the two sides of the head area 2 of the bag pack 1 facing dreams of the suction belts 18 to 21 each other touch.
  • troughs formed at regular intervals, such are arranged so that they each have a pocket 28 for one Form the head region 2 of a bag pack 1.
  • the bags 28 are in the center with the head regions 2 of the bag packs 1 aligned, and they have a smaller width than the bag packs 1.
  • the troughs are in the lower Suction belts 18, 19 formed over their entire height, while in the upper suction belts 20, 21 only over part of their height run so that the upper Suction tapes 20, 21 the mouth of the bag pack 1 in cover each case.
  • the height of the pockets 28 corresponds therefore at least the height of the head area 2 of the Bag packs 1.
  • In the strands of the suction belts 18 to 21 are through holes 29, 30 in the region of the troughs the size of the upper suction belts 20, 21 assigned upper through holes 29 is greater than the size of the bottom row Through holes 30.
  • the upper Through holes 29 in a chamber-like expanded Area 31 of the pockets 28 arranged above the Head area of a bag pack 2 is located.
  • the Through holes 29, 30 act with slot-shaped Suction channels 32, 33 together, in suction strips 34, 35 and 36 are formed.
  • the suction strips 34 to 36 are located in a vacuum body 37, 38, which between the Dream of the suction belts 18 to 21 is arranged.
  • Suction channels 32 each open from the top of the Vacuum body 37, 38 outgoing suction bore 39, while the suction channel 33, each with a different suction bore 40 connected is.
  • the suction bores 39, 40 are at least a vacuum source, not shown, is connected.
  • a Sealing device 41 with mutually movable Sealing jaws arranged.
  • a compression device 42 for compressing that contained in the bag packs 1 Filling goods.
  • the compression device 42 has one Base plate 43 and two side plates 44, 45, all of which can be moved against the bag packs 1.
  • the device 10 described above operates as follows: The filled and in the folding station 15 in the head area 2nd Pre-folded bags 1 are from the mug chain 11 gradually placed between the suction conveyors 16, 17, which also gradually and synchronously with the Cup chain 11 are driven. There the Head areas 2 in the area of the pockets 28 of the suction belts 18 to 21. Be through the lower through holes 30 now the walls of the head region 2 of the bag packs 1 sucked in, so that one opening to the inside, that is is formed to the contents in the bag packs 1. By these openings are created over the top Through bores 29 the contents of the bag packs 1 evacuated, i.e. the existing residual oxygen for the purpose of better durability of the contents of the bag packs 1 aspirated.
  • the bag packs 1 come from the area below Suction belts 18, 19 in the area of the sealing device 41. There, during a standstill phase of the cup chain 11 in the head area 2 a bag 1 each Cross-head seam 4 sealed. Since the upper suction belts 20, 21 after leaving the bag pack 1 from the area of lower suction belts 18, 19 before sealing the Head area 4 of the bag pack 1 by the Sealing device 41 continues to be in operative connection with the Bag pack 1 is prevented that air or Oxygen in the unsealed bag 1 got back.
  • the bag pack 1 arrives at the next conveying cycle Cup chain 11 from the area of the device 10 to to be supplied to further treatment stations.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vacuum Packaging (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Closing Of Containers (AREA)
EP97935468A 1996-09-28 1997-07-23 Vorrichtung zum evakuieren und verschliessen von beutelpackungen Expired - Lifetime EP0928270B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19640142A DE19640142A1 (de) 1996-09-28 1996-09-28 Vorrichtung zum Evakuieren und Verschließen von Beutelpackungen
DE19640142 1996-09-28
PCT/DE1997/001556 WO1998013264A1 (de) 1996-09-28 1997-07-23 Vorrichtung zum evakuieren und verschliessen von beutelpackungen

Publications (2)

Publication Number Publication Date
EP0928270A1 EP0928270A1 (de) 1999-07-14
EP0928270B1 true EP0928270B1 (de) 2000-11-22

Family

ID=7807327

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97935468A Expired - Lifetime EP0928270B1 (de) 1996-09-28 1997-07-23 Vorrichtung zum evakuieren und verschliessen von beutelpackungen

Country Status (11)

Country Link
EP (1) EP0928270B1 (ja)
JP (1) JP2001500825A (ja)
AU (1) AU716697B2 (ja)
BR (1) BR9712142A (ja)
DE (2) DE19640142A1 (ja)
ES (1) ES2153679T3 (ja)
HU (1) HUP0001095A3 (ja)
PL (1) PL332493A1 (ja)
SK (1) SK39199A3 (ja)
TW (1) TW379184B (ja)
WO (1) WO1998013264A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017205663A1 (de) 2017-04-04 2018-10-04 Robert Bosch Gmbh Vorrichtung und Verfahren zum Evakuieren einer Packung
EP4206080A4 (en) * 2020-08-25 2024-10-09 Asahi Sangyo DEGASSER

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10118389A1 (de) * 2001-04-12 2002-10-17 Rovema Gmbh Vorrichtung zum Verschweißen befüllter Beutel, welche ein Vakuum aufweisen
DE10127108A1 (de) * 2001-06-05 2002-12-19 Hensen Packaging Concept Gmbh Vorrichtung zum Verschließen gefüllter Beutel
CA2726536A1 (en) * 2008-06-04 2009-12-10 Premier Tech Technologies Ltee Deaeration system and method for flexible packages
AU2016353469B2 (en) 2015-11-10 2020-11-19 Cryovac, Llc Apparatus and process for evacuation of packages
CN106956800B (zh) * 2017-04-26 2023-03-31 福建省安溪县兴安金属有限公司 用于纯电动整形包装机中的外抽真空以及双边热封口装置
CN112429307B (zh) * 2020-12-10 2022-06-28 无锡迪渊特科技有限公司 利用超声波封口的套袋fosb的包装整形方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3430414A (en) * 1966-11-29 1969-03-04 Bartelt Eng Co Inc Machine for packaging articles in a controlled atmosphere
DE4013273A1 (de) * 1990-04-26 1991-10-31 Bosch Gmbh Robert Vorrichtung zum evakuieren und verschliessen von beutelpackungen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017205663A1 (de) 2017-04-04 2018-10-04 Robert Bosch Gmbh Vorrichtung und Verfahren zum Evakuieren einer Packung
EP4206080A4 (en) * 2020-08-25 2024-10-09 Asahi Sangyo DEGASSER

Also Published As

Publication number Publication date
SK39199A3 (en) 1999-11-08
AU716697B2 (en) 2000-03-02
WO1998013264A1 (de) 1998-04-02
HUP0001095A2 (hu) 2000-08-28
DE59702671D1 (de) 2000-12-28
DE19640142A1 (de) 1998-04-02
JP2001500825A (ja) 2001-01-23
AU3846697A (en) 1998-04-17
HUP0001095A3 (en) 2001-03-28
ES2153679T3 (es) 2001-03-01
TW379184B (en) 2000-01-11
PL332493A1 (en) 1999-09-13
BR9712142A (pt) 1999-08-31
EP0928270A1 (de) 1999-07-14

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