Tubular bagging machine with an asymmetrical forming shoulder and tubular bags with an edge-side longitudinal seam
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65B-009/20
B65B-009/22
B65B-051/26
출원번호
US-0888955
(1997-07-07)
우선권정보
DE-0003371 (1996-01-31)
발명자
/ 주소
Schoeler Wolfgang
출원인 / 주소
Rovema Packaging Machines, L.P.
대리인 / 주소
Flynn, Thiel, Boutell & Tanis, P.C.
인용정보
피인용 횟수 :
73인용 특허 :
15
초록▼
To avoid the folding of a flat tubular bag 1, which has been set up supported on its bottom-side cross seam 4, a welding seam 7, 8 reinforcing the tubular bag 1 is provided along at least one edge 5, 6. A further tubular bag 101 is introduced, where on the side folds 110, 111 of which the edges 105,
To avoid the folding of a flat tubular bag 1, which has been set up supported on its bottom-side cross seam 4, a welding seam 7, 8 reinforcing the tubular bag 1 is provided along at least one edge 5, 6. A further tubular bag 101 is introduced, where on the side folds 110, 111 of which the edges 105, 106 have welding seams 107, 108. Because of the welding seams 107, 108, the stability of the tubular bag 101 is improved. The longitudinal seam 2, 102 in the two tubular bags 1, 101 extends in a reinforcing welding seam 7, 107. The tubular bagging machine 14 for the manufacture of the tubular bag 1, 101 has at least one expanding element on the fill pipe 20 for expanding the film tube 21. A longitudinal welding device 22 is provided following the expanding element 27 in film feeding direction (FIGS. 7, 8).
대표청구항▼
[ The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows:] [1.] In a tubular bagging machine including a storage roller and guide rollers for feeding a flat film band to an asymmetrical forming shoulder in a film feeding direction, collar chest
[ The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows:] [1.] In a tubular bagging machine including a storage roller and guide rollers for feeding a flat film band to an asymmetrical forming shoulder in a film feeding direction, collar chest parts of the forming shoulder having different lengths and including a longer collar chest part that extends beyond a centerplane of the forming shoulder, a shoulder sleeve that has a longitudinal axis, and a collar neck part, the forming shoulder extending around a centerplane, the centerplane extending through the longitudinal axis of the shoulder sleeve and a center of the collar neck part, film feeding means for moving the film band, a fill pipe for receiving the film band reshaped into a film tube, a longitudinal welding device for creating a longitudinal seam on the film tube, a cross welding device having laws for producing cross seams, and the improvement comprising a separating device for separating the film tube, the separating device having at least one flat expanding element aligned parallel with respect to the jaws and connected to the fill pipe, the at least one flat expanding element extending radially outward from said fill pipe, the at least one expanding element being in a plane with the sealing surfaces of the jaws of the cross welding device when the jaws are closed, the at least one expanding element deflecting an edge of the film tube, and the longitudinal welding device being provided after the at least one expanding element in the film feeding direction, said longitudinal welding device being directed against the deflected film tube edge.
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