EP0000821B1 - Method and apparatus for necking stuffed flexible casings - Google Patents

Method and apparatus for necking stuffed flexible casings Download PDF

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Publication number
EP0000821B1
EP0000821B1 EP78300216A EP78300216A EP0000821B1 EP 0000821 B1 EP0000821 B1 EP 0000821B1 EP 78300216 A EP78300216 A EP 78300216A EP 78300216 A EP78300216 A EP 78300216A EP 0000821 B1 EP0000821 B1 EP 0000821B1
Authority
EP
European Patent Office
Prior art keywords
necking
jaws
casing
arm
path
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
Application number
EP78300216A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0000821A1 (en
Inventor
Horst Fritz Marz
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.)
PPG Architectural Coatings Canada Inc
Original Assignee
CIL Inc
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 CIL Inc filed Critical CIL Inc
Publication of EP0000821A1 publication Critical patent/EP0000821A1/en
Application granted granted Critical
Publication of EP0000821B1 publication Critical patent/EP0000821B1/en
Expired legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A22—BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
    • A22C—PROCESSING MEAT, POULTRY, OR FISH
    • A22C11/00—Sausage making ; Apparatus for handling or conveying sausage products during manufacture
    • A22C11/12—Apparatus for tying sausage skins ; Clipping sausage skins
    • A22C11/125—Apparatus for tying sausage skins ; Clipping sausage skins by clipping; Removal of clips

Definitions

  • the present invention relates to an apparatus and method for necking stuffed flexible casings.
  • the invention is especially useful for necking casings which are subsequently clipped and cut at the necked portion.
  • An apparatus in accordance with the present invention for necking stuffed flexible casings includes at least one pair of necking jaws, the jaws of the or each pair lying on opposite sides of a casing path through the apparatus and being arranged for opposed reciprocal movement for engaging a casing in said path and for necking the casing, characterised in that each necking jaw is mounted on a parallelogram linkage suspended from a frame and linkage means are provided for simultaneously moving said necking jaws in a rectilinear path by means of said parallelogram linkage.
  • a preferred apparatus for necking and clipping stuffed flexible casings comprises two pairs of necking jaws, means for moving one pair of necking jaws in a direction parallel to the casing path and away from the other pair of necking jaws whereby the neck formed on the casing may be elongated, magazine means for advancing two clips towards said neck between the two pairs of necking jaws and arranging said clips on said neck, and die means for receiving and forming said clips around said neck.
  • the apparatus may comprise additionally cutting means movable between the two pairs of necking jaws to cut the necked casing between the two formed clips.
  • a more specific embodiment in accordance with the present invention includes two pairs of necking jaws, the jaws of each pair lying on opposite sides of a casing path through the apparatus and being arranged for opposed reciprocal movement for engaging a casing in said path and for necking the casing, magazine means for advancing clips towards said casing and a reciprocating plunger for removing a clip from said magazine and arranging it on a necked portion of said casing between said pairs of necking jaws, die means pivoted from an overhead frame and arranged for movement between said pairs of necking jaws to and from a position adjacent said necked portion of the casing for receiving and forming said clip, and cutting means, movable between said pairs of necking jaws for cutting the casing in the vicinity of the formed clip, characterised in that each necking jaw is mounted on a parallelogram linkage suspended from said overhead frame, linkage means are provided for simultaneously moving said necking jaws by means of said parallelogram linkages, and means are provided for moving one pair of necking jaws in a direction parallel to said cas
  • a method of necking a stuffed flexible casing in accordance with the present invention includes the steps of first filling a continuous elongated cylindrical flexible casing with material to be packed in the casing, necking the casing at a predetermined interval by means of at least one pair of necking jaws, the jaws of the or each pair lying on opposite sides of a casing path and being arranged for opposed reciprocal movement for engaging the casing in said casing path and for necking the casing, characterised in that the necking jaws of each pair are moved towards each other by rectilinear motion derived from respective parallelogram linkages upon which the necking jaws are mounted.
  • a preferred method wherein the necked casing is clipped at the necked portion comprises necking the casing by two pairs of necking jaws, moving one pair of necking jaws in a direction parallel to the casing path and away from the other pair of necking jaws so that the neck formed on the casing is elongated by the necking jaws and forming clips around the neck portion of the casing between the so separated necking jaws.
  • the clipped casing may conveniently be cut into separate containers by cutting the necked portion of the casing transversely between the formed clips.
  • the preferred apparatus provided in accordance with the invention permits operation with a positive, clean voiding action which eliminates the formation of any mini-chub between the double clips.
  • contamination of the apparatus by any product within any mini-chub when the packages are separated is avoided. This is particularly critical in explosive packaging where all such contamination must be avoided.
  • the use of the disclosed parallelogram linkage permits a substantially straight- line motion of the necking jaws without employing any guide rails or other frictionally harzardous guide means.
  • This linkage also allows the use of wide angle necking jaws in excess of about 60° and the positively controlled action allows the necking jaws to be brought together around the casing and for the pair of necking jaws to be moved to extend the necked portion of the casing with little risk of cutting or damaging the film thereby eliminating spillage of the product.
  • the cam actuated clipping action provides positive controlled clip closure resulting in fewer improperly cinched clips. This cam actuation also reduces excessive impact velocity during clipping and hence reduces the impact hazard when packaging sensitive material such as explosives.
  • FIG. 1 there is shown a housing 10 with a partition 12 separating the housing.
  • a cam shaft 14 mounting a series of cams 16 and which activate a plurality of cam followers 18, is found in one compartment while the casing handling apparatus is in the other compartment.
  • the casing handling apparatus is in the other compartment.
  • the magazine and plunger assembly 20 includes an upstanding double track member 28, including a pair of simultaneously acting plungers 32 sliding in the individual parallel tracks 28a and 28b of track member 28.
  • the tracks 28a and 28b can be seen more clearly in Figures 4 and 8.
  • the magazines 30 and 31 are conventional, and the clips K are fed by gravity.
  • Each plunger 32 is connected to a stub shaft 34 which in turn pivotally mounts an adjustable link 36 pivotally connected at the other end to crank arm 38.
  • Crank arm 38 is fixed to a shaft 40 which in turn mounts a crank arm 41 connected by a link 43 to the cam follower arm 42.
  • the necking assembly 22 includes a pair of flat necking jaw plates 46 and 50 having a 90° V cut-out portion and a pair of identical jaw plates 48 and 52 facing plates 46 and 50.
  • Each jaw plate 46, 50, 48 and 52 is mounted to individual parallelogram linkage assemblies. These assemblies include, as shown in Figure 2, for instance, with reference to jaw plate 46, a curved arm 54 fixed at one end to sleeve 88 fixed to shaft 72 which in turn is journaled on the frame of the housing 10. At the other end of the arm 54, there is mounted a sleeve 63 in which shaft 62 is journaled.
  • the shaft 62 mounts a lever 62a, and as shown in Figures 3 and 4, mounts the jaw plate 46.
  • Lever 62a is pivotally connected to a link 80 which is pivoted at its other end to the frame of the housing 10. As shown in Figures 2, 3 and 4, the parallelogram is formed between a portion of the frame 10, the link 80, the lever 62a, and the arm 54.
  • the opposed arm 56 mounts a sleeve 65 in which shaft 64 is journaled.
  • the shaft 64 mounts the jaw plate 43 and includes a lever 64a pivotally connected to a link 82 pivotally connected to the frame 10.
  • the link 82 connected to the lever 64a and to the frame as shown in Figure 2 ensures the parallel movement of the jaw 48 mounted to the shaft 64.
  • Arm 56 is fixed to a sleeve connected to the shaft 74.
  • a lever 70 which is also fixed to the shaft 74, is connected to a cam arm and follower by means of a link 71. Accordingly, the jaw plates 46 and 48 can move towards each other in a complete parallel reciprocating movement.
  • shafts 72 and 74 mount meshing gears 76 and 78.
  • the gears 76 and 78 transfer the rotational movement of shaft 74 to shaft 72 which is actuated by the link 71 in response to the respective cam.
  • FIGS. 3 and 4 the other jaw plates 50 and 52 are illustrated. These jaw plates can also be seen in Figures 5 and 6 which show the two positions of the jaws in forming the neck on the casing C.
  • the jaw plate 50 for instance, is mounted to a shaft 66 which is journaled in a sleeve 67.
  • the sleeve 67 is fixed to an arm 58 which is of a similar shape to arm 54.
  • Arm 58 is fixed to a concentric cylindrical sleeve 92 slidably mounted on the shaft 72.
  • the sleeve 92 is adapted to slide longitudinally of the shaft and is restricted from relative rotational movement on the shaft 72 by means of a key and keyway 93.
  • a further cylindrical sleeve 96 is mounted for relative rotational movement on the sleeve 92 by means of bearings 100, but is prevented from longitudinal sliding movement relative to the sleeve 92.
  • the arm 58 forms a parallelogram linkage with link 84 pivotally mounted to an ear 85 extending from the sleeve 96.
  • the other end of link 84 is pivotally connected to a lever 66a fixed to the shaft 66.
  • the opposed jaw plate 52 is not shown but is identical to the construction mounting the jaw plate 50 and is on the same side as the jaw plate 48.
  • FIG. 7 illustrates shaft 74 mounting the slidable sleeve 94 and the key and keyway 95.
  • Arm 60 (not shown) is opposed to arm 58 and is fixed to sleeve 94.
  • the outer sleeve 98 includes a pedestal 102 to which a link 104 is pivotally connected. At the other end of the link 104, there is pivotally connected one end of crank arm 106 pivoted at 108 and including a right angle crank arm 110 which is actuated by a cam arm 112.
  • a coupling member 113 extends between the sleeve 98 and sleeve 96 in order to move the sleeves 96 and 98 along with sleeves 92 and 94 simultaneously in response to a movement of crank arm 110.
  • the die assembly 24 includes an arm 114 and a rotary three-faced die 116 inset into the arm 114, as shown in Figures 1 and 8.
  • the die can be set for three different sizes of clips K.
  • a track segment 118 and an opposing track segment 147 is carried by the arm 146 of the cutting assembly (described below).
  • the track segments 118 and 147 are directly aligned with the tracks 28a and 28b such that when the plungers 32 pick up clips K from the magazines 30 and 31 respectively, they proceed down their linear path along the segments 118 and 147 which define a final portion of track guiding the clips into position.
  • the arm 114 is fixed to a cylindrical sleeve 120 which is rotatable on the shaft 72 and which in turn includes a crank arm 122.
  • a link member 124 is pivotally connected to the crank arm 122 at one end thereof and to the crank arm 126 at the other end.
  • Crank arm 126 is fixed to shaft 128 which in turn mounts the crank arm 132.
  • Arm 132 is connected to a cam follower arm (not shown) by means of link 134.
  • An identical shaft 130 is located parallel to shaft 128.
  • a crank arm 138 is mounted to shaft 130 and is linked to crank arm 133 on shaft 128 by a link member 136.
  • Crank member 139 is also fixed to shaft 130.
  • the cutting assembly 26 includes a knife supporting arm 146 mounted to a concentric sleeve 144 rotatable on the shaft 74.
  • the sleeve 144 includes a crank arm 142 which is connected by means of the link member 140 to the crank arm 139.
  • the cutting arm 146 mounts at one end thereof a bracket 150 to which is fixed a knife blade 148.
  • the bracket 150 is pivotally connected to the arm 146 at 152.
  • a link member 154 is pivotally connected at one end to bracket 150 and at the other end thereof to a bell crank 156.
  • the bell crank 156 is pivoted to the knife arm 146 at 158.
  • a projection 168 is fixed at an angle to the knife arm 146 and mounts a tension spring 166 connected at one end thereof to an arm on the bell crank member 156.
  • a lever 162 is pivoted to the frame and is pivotally connected to a link member 170 which in turn is connected to a bell crank member 172 pivoted at 174 in the cam compartment.
  • the bell crank member 172 is actuated by a link 175 connected to a cam follower 176.
  • the lever 162 includes an abutment 164 while the bell crank member 156 has a mating abutment 160.
  • the bell crank member 156 In a normal position as shown in Figure 1, the bell crank member 156 is urged clockwise by the spring 166, thus retaining the knife in an upward position, as shown in full lines in Figure 1 or Figure 9.
  • the crank arm 156 When the knife arm 146 assumes the position of Figure 1, the crank arm 156 is disassociated completely from the lever 162. It is only when the knife arm 146 is in a downward operative position that the crank arm assumes a position represented in Figure 8 and Figure 9, ready to be actuated by the abutment 164 on lever 162.
  • a casing C proceeds along the casing path after having been packed with a gel-like powder, such as an explosive material. All of the moving parts are initially in the position shown in Figures 1. As can be seen from Figure 1, there is no frame member which passes underneath the path of the casing C, but rather the only parts under the path are the ends of the jaw plates of jaw assembly 22. Since these necking jaw plates do not slide in any fixed tracks but rather travel in mid-air suspended from the parallelogram linkages, there is little or no susceptibility to collect falling filling material which, in the case of explosive material, could be dangerous if in fact there were areas of friction caused by moving parts in fixed tracks below the path of the casing C.
  • a gel-like powder such as an explosive material
  • the cam shaft 14 which is rotating continuously causes the link member 71 to move towards the right in Figure 2, thereby causing the shafts 72 and 74 to rotate by means of gears 76 and 78 to move all of the arms 54, 56, 58 and 60 inwardly towards each other.
  • the split jaw members 46, 48, 50 and 52 move towards each other into the closed position shown in Figure 2.
  • the jaws 46, 48, 50 and 52 meet, they neck the casing as shown in Figure 6.
  • the cam arm 112 moves the bell crank 106 thereby sliding the coupling member 113 connected to the sleeves 96 and 98, and also to sleeves 92 and 94 and forcing arms 58 and 60 to move towards the open position shown in Figures 3, 4 and 5, thereby moving the jaw plates 50 and 52 away from plates 46 and 48.
  • This action causes the jaws to "milk" the material in the casing C thereby elongating the length of the neck portion as shown in Figure 5 and in Figures 3 and 4.
  • a link 134 causes the shafts 128 and 130 to rotate by the intermediary of crank arms 132 and 138, thereby moving the die arm 114 into the position shown in Figure 8 as well as the cutting arm 146 into the position shown in Figure 8, such that the track segments 118 and 147 are aligned with the tracks 28a and 28b.
  • the bell crank 156 will now be in a position susceptible to being actuated by lever 162.
  • the cam follower arm 42 moves the crank arm 38 clockwise through the intermediary of crank arm 41 and shaft 40, thereby forcing the link member 36 to push the plunger 32 downwardly in each track 28a and b to engage a pair of clips K and continue their path downwardly through the track segments 118 and 147 until the clips K engage the neck portion of the casing C.
  • the legs of the clips K engage in the die 116 and under pressure of the plunger 32, form around the neck portion of the casing C.
  • a pair of clips K are now secured to the neck of the casing.
  • the cam will cause the cam follower 42 to retract the plunger 32 and simultaneously a camming member (not shown) will cause the link 175 to move the bell crank 172 clockwise (in Figure 9) such as to lift the link 170 and thereby the lever 162. Since the cutting arm 146 has moved into its downward position, the bell crank 156 is now in such a position that the abutment member 160 is immediately above the abutment member 164.
  • the abutment 164 will lift the abutment 160 of the bell crank 156 causing the bell crank 156 to rotate counterclockwise against the tension spring 166, thereby lifting link 154 and bracket 150 causing the knife blade 148 to move through a sudden counterclockwise movement cutting through the next portion of the casing C between the clips K.
  • the link 170 will immediately be lowered by the cam follower 176, etc., and thus the abutment 164 will be disengaged from the abutment 160, allowing the knife blade 148 and the bracket 150 to be rotated clockwise under the urging of the spring 166 between the bell crank 156 and projection 168.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Food Science & Technology (AREA)
  • Package Closures (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Closing Of Containers (AREA)
  • Press Drives And Press Lines (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
EP78300216A 1977-08-10 1978-07-31 Method and apparatus for necking stuffed flexible casings Expired EP0000821B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA284,654A CA1045092A (en) 1977-08-10 1977-08-10 Method and apparatus for closing and sealing containers
CA284654 1977-08-10

Publications (2)

Publication Number Publication Date
EP0000821A1 EP0000821A1 (en) 1979-02-21
EP0000821B1 true EP0000821B1 (en) 1982-04-14

Family

ID=4109320

Family Applications (1)

Application Number Title Priority Date Filing Date
EP78300216A Expired EP0000821B1 (en) 1977-08-10 1978-07-31 Method and apparatus for necking stuffed flexible casings

Country Status (12)

Country Link
US (1) US4218861A (it)
EP (1) EP0000821B1 (it)
JP (1) JPS5449295A (it)
AU (1) AU516715B2 (it)
BR (1) BR7805109A (it)
CA (1) CA1045092A (it)
DE (1) DE2861734D1 (it)
DK (1) DK147723C (it)
IT (1) IT1109376B (it)
MX (1) MX147009A (it)
NO (1) NO148405C (it)
ZA (1) ZA784346B (it)

Families Citing this family (25)

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Publication number Priority date Publication date Assignee Title
AU576985B2 (en) * 1986-01-18 1988-09-08 Kureha Chemical Industry Co., Ltd. Filling and packaging method and apparatus therefor
DE3610010A1 (de) * 1986-03-25 1987-10-01 Niedecker Herbert Vorrichtung zum abteilen von portionspackungen eines unterteilbaren fuellgutes in einer flexiblen schlauchhuelle
DE3617559C1 (de) * 1986-05-24 1987-10-01 Guenter Kollross Verfahren und Vorrichtung zum Abteilen eines auf einem Fuellautomaten hergestellten Wurststrangs in eine Vielzahl voneinander trennbarer oder getrennter Wuerste
CH670934A5 (it) * 1987-06-24 1989-07-31 Waelchli Hans
US5209041A (en) * 1990-10-22 1993-05-11 Delaware Capital Formation, Inc. Chub packaging machine clipping mechanism
ES2071987T3 (es) * 1991-01-30 1995-07-01 Capital Formation Inc Mecanismo perfeccionado para el control de placas acumuladoras para un aparato de doble pinza.
US5269054A (en) * 1992-05-15 1993-12-14 Delaware Capital Formation, Inc. Clip attachment apparatus
DE19644074C2 (de) 1996-10-31 2001-02-22 Poly Clip System Gmbh & Co Kg Verfahren und Verschließvorrichtung zum Herstellen wurstartiger Produkte
DE19754199C1 (de) * 1997-12-06 1999-06-24 Knieriem Guenther Dipl Ing Fh Vorrichtung zum Herstellen von gefüllten, verschlossenen Schlauchbeutelpackungen
DE19806783A1 (de) * 1998-02-18 1999-08-19 Poly Clip System Gmbh & Co Kg Doppelclipmaschine für schlauchförmige Verpackungen
DE59914415D1 (de) * 1999-04-07 2007-08-30 Tipper Tie Technopack Gmbh Verfahren zum Abteilen von Abschnitten einer flexiblen Verpackungshülle
DE19934154C1 (de) * 1999-07-26 2000-10-26 Poly Clip System Gmbh & Co Kg Abteilvorrichtung für unterteilbares Füllgut in einer flexiblen Schlauchhülle
EP1095570A1 (de) 1999-10-29 2001-05-02 Tipper Tie Alpina AG Doppelklipvorrichtung und Verwendung derselben
DE10120757C1 (de) * 2001-04-27 2002-11-07 Vermee Frans Gmbh Vorrichtung zum Herstellen von mit einem Gut befüllten Schlauchverpackungen
US6932688B2 (en) 2001-10-12 2005-08-23 Teepak Properties, Llc Apparatus for automatically stuffing food casing
US20050072118A1 (en) 2003-10-03 2005-04-07 Griggs Samuel D. Netting chutes with ribbed flooring for manual and/or automated clipping packaging apparatus
US7237369B2 (en) * 2003-10-03 2007-07-03 Tipper Tie, Inc. Automated clipping packaging systems
DE602006018922D1 (de) * 2005-06-16 2011-01-27 Poly Clip System Corp Klemmenverschlusssystem
US7322164B2 (en) * 2006-03-10 2008-01-29 Tipper Tie, Inc. Clippers with translating gate members and cooperating stiffener assemblies and related methods, computer program products
EP2647291B1 (en) 2012-04-04 2014-11-19 Poly-clip System GmbH & Co. KG Clipping tool assembly with crank shaft
CN102717922B (zh) * 2012-07-06 2013-12-04 柳真 易燃易爆物品柔性自动包装生产线
US10011380B2 (en) 2013-08-26 2018-07-03 Tipper Tie, Inc. Ruckers, reruckers, deruckers and/or skin brakes with stacked gripper layers and related grippers
USD729294S1 (en) 2013-08-26 2015-05-12 Tipper Tie, Inc. Gripper for automated ruckers, reruckers, deruckers and/or skin brakes
EP3001908A1 (en) * 2014-10-01 2016-04-06 Poly-clip System GmbH & Co. KG Decoupled drive units for gathering and over-spreading
EP3001909B1 (en) * 2014-10-01 2016-11-09 Poly-clip System GmbH & Co. KG Decoupled drive units for gathering and over-spreading

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Publication number Priority date Publication date Assignee Title
CA710061A (en) * 1965-05-25 P. Camp Johannes Method and apparatus for producing tubular packages
GB994978A (en) * 1960-11-30 1965-06-10 Syozo Omori Improvements in or relating to packaging machines
FR1309623A (fr) * 1961-12-29 1962-11-16 Ensacheuse à piston pour filet tube
CH399289A (de) * 1962-01-12 1966-03-31 Hamac Hansella Aktiengesellsch Verpackungsmaschine zum Herstellen von Schlauchbeutelpackungen
US3587204A (en) * 1968-11-04 1971-06-28 William W George Clinching apparatus
US3696179A (en) * 1970-10-15 1972-10-03 William A Jacobs Extruding and filling containers made of foamed thermoplastic polymer
DE2344226C3 (de) * 1973-09-01 1978-08-31 Niedecker Gmbh, 6000 Frankfurt Vorrichtung zum Abteilen von Packungen, insbesondere Würsten, von einem gefüllten Schlauch
DE2420202C2 (de) * 1974-04-26 1986-04-24 F. Marquardt Werkzeug- Und Maschinenfabrik, 2100 Hamburg Vorrichtung zum Füllen einer schlauchförmigen Hülle mit einer plastischen Masse
US4017941A (en) * 1975-10-30 1977-04-19 Union Carbide Corporation Casing sensing means for stuffing apparatus
DE2550042C2 (de) * 1975-11-07 1982-12-02 Herbert Dipl.-Ing. 6240 Königstein Niedecker Vorrichtung zum Abteilen von Packungen von einem gefüllten Schlauch

Also Published As

Publication number Publication date
NO782552L (no) 1979-02-13
JPS5449295A (en) 1979-04-18
AU516715B2 (en) 1981-06-18
IT1109376B (it) 1985-12-16
ZA784346B (en) 1979-08-29
DE2861734D1 (en) 1982-05-27
EP0000821A1 (en) 1979-02-21
DK147723B (da) 1984-11-26
CA1045092A (en) 1978-12-26
NO148405B (no) 1983-06-27
IT7850593A0 (it) 1978-08-03
DK147723C (da) 1985-06-17
BR7805109A (pt) 1979-05-08
AU3842678A (en) 1980-01-31
DK354378A (da) 1979-02-11
NO148405C (no) 1983-10-05
MX147009A (es) 1982-09-22
US4218861A (en) 1980-08-26

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