WO1989010837A1 - Method for adjusting the step feed motion and step feed motion device for a plurality of flat thermoplastic sheaths in a plant for fabricating bags - Google Patents

Method for adjusting the step feed motion and step feed motion device for a plurality of flat thermoplastic sheaths in a plant for fabricating bags Download PDF

Info

Publication number
WO1989010837A1
WO1989010837A1 PCT/FR1989/000219 FR8900219W WO8910837A1 WO 1989010837 A1 WO1989010837 A1 WO 1989010837A1 FR 8900219 W FR8900219 W FR 8900219W WO 8910837 A1 WO8910837 A1 WO 8910837A1
Authority
WO
WIPO (PCT)
Prior art keywords
feed motion
step feed
plant
adjusting
sheath
Prior art date
Application number
PCT/FR1989/000219
Other languages
French (fr)
Inventor
Georges Lagain
Original Assignee
Georges Lagain
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 Georges Lagain filed Critical Georges Lagain
Publication of WO1989010837A1 publication Critical patent/WO1989010837A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
    • B65H23/1882—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web and controlling longitudinal register of web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/02—Feeding or positioning sheets, blanks or webs
    • B31B70/10—Feeding or positioning webs

Landscapes

  • Making Paper Articles (AREA)

Abstract

The invention relates to a method for adjusting the step feed motion and a step feed motion device for a plurality of sheaths (3a, 3b) having preprinted marks (62) in a plant for fabricating bags. The device comprises a pair of rollers (10, 13) of which at least one (13) is movable, the rollers driving the sheaths (3a, 3b) during the step feeding and the device comprises for each sheath (3), two cylinders (32, 36) which are driven by said sheath (3) as soon as a mark (62) on the sheath (3) has been detected by a mark detector (61) and which draw back said sheath (3) as soon as the transport rollers (10, 13) are spaced apart.
PCT/FR1989/000219 1988-05-06 1989-05-05 Method for adjusting the step feed motion and step feed motion device for a plurality of flat thermoplastic sheaths in a plant for fabricating bags WO1989010837A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR88/06178 1988-05-06
FR8806178A FR2614832A1 (en) 1988-05-06 1988-05-06 METHOD OF ADJUSTING THE STEP-BY-STEP ADVANCE AND STEP-BY-STEP DEVICE OF SEVERAL THERMOPLASTIC SHEATHES ATTACHED IN A BAG-MAKING FACILITY

Publications (1)

Publication Number Publication Date
WO1989010837A1 true WO1989010837A1 (en) 1989-11-16

Family

ID=9366103

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR1989/000219 WO1989010837A1 (en) 1988-05-06 1989-05-05 Method for adjusting the step feed motion and step feed motion device for a plurality of flat thermoplastic sheaths in a plant for fabricating bags

Country Status (2)

Country Link
FR (1) FR2614832A1 (en)
WO (1) WO1989010837A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2707501A1 (en) * 1993-07-13 1995-01-20 Thimonnier Sa Device for correcting the position of the cut in the manufacture of infusion bags

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1268360B (en) * 1963-12-17 1968-05-16 Plastic Service S A Machine for the production of bags from thermoplastic material
FR1559791A (en) * 1968-01-18 1969-03-14
US3497702A (en) * 1965-04-05 1970-02-24 Tetra Pak Ab Method and device for triggering work operations in a travelling web
DE2260715A1 (en) * 1971-12-13 1973-06-28 Taiyo Shokai Co Ltd METHOD AND DEVICE FOR THE AUTOMATIC CONTROL OF THE TRANSPORT OF FILM STRIPS
GB2188037A (en) * 1986-03-14 1987-09-23 Windmoeller & Hoelscher Apparatus for intermittently pull advancing a sheeting web
EP0265208A2 (en) * 1986-10-17 1988-04-27 Spartanics, Ltd. Strip feeding and control system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1268360B (en) * 1963-12-17 1968-05-16 Plastic Service S A Machine for the production of bags from thermoplastic material
US3497702A (en) * 1965-04-05 1970-02-24 Tetra Pak Ab Method and device for triggering work operations in a travelling web
FR1559791A (en) * 1968-01-18 1969-03-14
DE2260715A1 (en) * 1971-12-13 1973-06-28 Taiyo Shokai Co Ltd METHOD AND DEVICE FOR THE AUTOMATIC CONTROL OF THE TRANSPORT OF FILM STRIPS
GB2188037A (en) * 1986-03-14 1987-09-23 Windmoeller & Hoelscher Apparatus for intermittently pull advancing a sheeting web
EP0265208A2 (en) * 1986-10-17 1988-04-27 Spartanics, Ltd. Strip feeding and control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2707501A1 (en) * 1993-07-13 1995-01-20 Thimonnier Sa Device for correcting the position of the cut in the manufacture of infusion bags

Also Published As

Publication number Publication date
FR2614832A1 (en) 1988-11-10

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