Packaging method for producing sealed packages of a food product pourable into a tube of packaging material
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65B-009/20
B65B-051/30
B29C-065/18
B65B-009/207
B29C-065/00
B29L-009/00
B29K-023/00
B29L-031/00
B29K-711/12
B29K-305/02
출원번호
US-0002120
(2009-08-07)
등록번호
US-8919081
(2014-12-30)
우선권정보
EP-08162127 (2008-08-09)
국제출원번호
PCT/EP2009/060312
(2009-08-07)
§371/§102 date
20101230
(20101230)
국제공개번호
WO2010/018141
(2010-02-18)
발명자
/ 주소
Andreotti, Stefano
Donati, Andrea
Poppi, Marco
출원인 / 주소
Tetra Laval Holdings & Finance S.A.
대리인 / 주소
Buchanan Ingersoll & Rooney PC
인용정보
피인용 횟수 :
1인용 특허 :
12
초록▼
A method of producing a sealed package of a pourable food product involving feeding a tube of packaging material along an axis; moving a pair of first jaws and a pair of second jaws cyclically and alternately along sealing paths parallel to the axis, and along repositioning paths; moving the jaws, a
A method of producing a sealed package of a pourable food product involving feeding a tube of packaging material along an axis; moving a pair of first jaws and a pair of second jaws cyclically and alternately along sealing paths parallel to the axis, and along repositioning paths; moving the jaws, as they travel along the sealing paths, into a closed position in which the sealing members grip the tube and respectively form, at different times, a first and a second seal sealing the tube and defining respective opposite ends of the package; and moving the jaws, as they travel along the respective repositioning paths, into an open position, in which they are detached from the tube; acquiring a desired value of a quantity related to the package weight; and forming the second seal at a distance, which is a function of the value, from the first seal.
대표청구항▼
1. A method of producing a sealed package of a food product pourable into a tube of packaging material, the method comprising: feeding said tube along an axis;moving at least one first pair of jaws, including first and second sealing members, and at least one second pair of jaws, including third and
1. A method of producing a sealed package of a food product pourable into a tube of packaging material, the method comprising: feeding said tube along an axis;moving at least one first pair of jaws, including first and second sealing members, and at least one second pair of jaws, including third and fourth sealing members, cyclically and alternately along respective sealing paths parallel to said axis, and along respective repositioning paths along which said first and second jaws move with respect to said tube;moving said first pair of jaws and second pair of jaws, as they travel along the respective sealing paths, into a closed position in which said first and second sealing members grip said tube and said third and fourth sealing members grip said tube and respectively form, at different times, a first seal and a second seal sealing the tube and defining respective opposite ends of said package;moving said first pair of jaws and second pair of jaws, as they travel along the respective repositioning paths, into an open position, in which said first and second sealing members are detached from said tube and said third and fourth sealing members are detached from said tube;acquiring a desired weight or volume of a said package;using a processor to determine a first distance separating said first seal and said second seal based on said desired weight or volume of said package;forming said second seal at a position spaced apart from said first seal in a direction parallel to said axis by said first distance; andadjusting a second distance, crosswise to said axis, between said third and fourth sealing members of said second pair of jaws, on the basis of at least one of a first parameter relating to a viscosity of said food product, and a second parameter relating to an output rate of said packages, and after said first and second sealing members of said first pair of jaws have formed said first seal, and before said third and fourth sealing members of said pair of second jaws form said second seal. 2. A method as claimed in claim 1, comprising generating, on the basis of said desired weight or volume of said package, a first and second control scheme respectively controlling a first and second actuator assembly for respectively moving said first pair of jaws and second pair of jaws parallel to said axis along said respective sealing paths; said first and second control scheme being generated to position said first and second sealing members of said first pair of jaws at said first distance from said third and fourth sealing members of said second pair of jaws, at least when said third and fourth sealing members grip the tube to form said second seal. 3. A method as claimed in claim 2, wherein, at said generating step, at least said first control scheme is generated as the sum of at least a first addend dependent on said desired weight or volume of said package, and a second addend independent of said desired weight or volume of said package. 4. A method as claimed in claim 1, comprising engaging first and second fasteners, fitted respectively to said first and second jaws, along respective end portions of the respective repositioning paths; said adjustment of said second distance preceding the engagement of said second fasteners. 5. A method as claimed in claim 1, wherein said adjustment of said second distance comprises generating, on the basis of said at least one of said first and second parameter, at least a third control scheme controlling a third actuator assembly for moving said second jaws between said open and closed positions. 6. A method as claimed in claim 5, wherein, at said generation of said third control scheme, said third control scheme is generated as the sum of at least a third addend dependent on said at least one of said first and second parameter, and at least a fourth addend independent of said parameters. 7. A method as claimed in claim 6, comprising releasing said first and second fasteners before the respective said first pair of jaws and second pair of jaws complete the respective said sealing paths; and wherein said generation of said third control scheme comprises generating said fourth addend to press said third and fourth sealing members of said second pair of jaws together, at least along end portions of the respective said sealing paths and after said step of releasing said second fasteners. 8. A method as claimed in claim 5, wherein, at said generation step, said third control scheme is generated independently of said desired weight or volume of said package. 9. A method as claimed in claim 6, wherein said fourth addend is generated to move said second pair of jaws between said closed and open positions along a basic trajectory; and in that said third addend is generated to correct said basic trajectory as said second jaws travel along at least the respective said end portions of the respective said repositioning paths.
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이 특허에 인용된 특허 (12)
Steinke Gary L. (Bettendorf IA) Johnson ; Jr. Russell S. (Davenport IA) Meeker Rick A. (Davenport IA), Chub machine.
Miyamoto, Hideshi; Sugimura, Kazuya; Ichikawa, Makoto; Kondo, Masashi, Lateral sealing mechanism for bag making and packaging machine, and bag making and packaging machine.
Benedetti, Paolo; Selberg, Hans, Method of producing sealed packages containing pourable food products from a tube of packing material, and packing unit implementing such a method.
Kammler Ing. R. (Wallstrasse DEX) Ade Reiner (Ritterhausstr DEX) Baur Walter (Herzbergstr DEX), Packaging machine for the manufacture, filling and closing of bags and a method for operating such a machine.
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