EP0108329B1 - Vorrichtung zur Kontrolle der Anwesenheit einer Warenbahn - Google Patents

Vorrichtung zur Kontrolle der Anwesenheit einer Warenbahn Download PDF

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Publication number
EP0108329B1
EP0108329B1 EP83110636A EP83110636A EP0108329B1 EP 0108329 B1 EP0108329 B1 EP 0108329B1 EP 83110636 A EP83110636 A EP 83110636A EP 83110636 A EP83110636 A EP 83110636A EP 0108329 B1 EP0108329 B1 EP 0108329B1
Authority
EP
European Patent Office
Prior art keywords
roller
strip
web
tear tape
photo
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
EP83110636A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0108329A1 (de
Inventor
Siegfried Knecht
Jürgen Wiesejahn
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.)
Maschinenfabrik Alfred Schmermund GmbH and Co
Original Assignee
Maschinenfabrik Alfred Schmermund GmbH and Co
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 Maschinenfabrik Alfred Schmermund GmbH and Co filed Critical Maschinenfabrik Alfred Schmermund GmbH and Co
Publication of EP0108329A1 publication Critical patent/EP0108329A1/de
Application granted granted Critical
Publication of EP0108329B1 publication Critical patent/EP0108329B1/de
Expired legal-status Critical Current

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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
    • B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
    • B65H26/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs
    • B65H26/025—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs responsive to web breakage
    • 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
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely

Definitions

  • the invention relates to a device for checking the presence of a product web, in particular a strip of thin, crystal-clear film, according to the preamble of claim 1.
  • a device for checking the presence of a product web in particular a strip of thin, crystal-clear film, according to the preamble of claim 1.
  • Such a device is known from DE-C 736136.
  • cigarette packs are wrapped in cellophane or polypropylene films, which are provided with a tear tape.
  • This tear tape is usually made of crystal-clear material. It is brought together with the film in the wrapping machine and welded or glued to it. If the tear tape breaks so that faulty wrappings would result, the wrapping machine is stopped. A tear of the tear tape can easily occur when it is fed to the wrapping film, e.g. by means of a dancer roller connected to a suitable sensor.
  • the object of the invention is therefore to provide a device according to the preamble of claim 1, which can easily detect the presence of a web, in particular a thin, crystal-clear ribbon, in a desired position.
  • a film web 2 provided with a tear tape 1 is normally fed via a deflection roller 3, rollers 4 and 5 serving for the preference of the film web 2.
  • rollers 8 and 9 of the same diameter are mounted independently of one another on needle bolts 10 on a bolt 10a in a fork-shaped lever 7 pivotable about a bolt 6.
  • a ring 11 prevents the transmission of the rotation from the roll 8, which rolls on the tear tape 1, to the roll 9.
  • the distance between the circumference of the roll 9 and the film web 2 corresponds to the thickness of the tear tape 1, which is approximately 4/100 is up to 5/100 mm. However, this distance is sufficient to let the roller 9 stand still.
  • both rollers 8, 9 are pressed against the film web 2; this causes a spring 12 which engages the lever 7. If the tear tape runs to the right, it gets under the roller 9, which begins to rotate in both cases.
  • the roller 9 is laterally provided in the circumferential direction with markings 15, the spacing of which is not equal to the spacing of the photocells 14. The reason for this is that a photocell 14, when the border between the marking and the roller 9 happens to be in front of it, emit an alternating signal and can thus incorrectly simulate the rotation of the roller 9. However, the second photocell 14 is then certainly not on such a boundary. Only when both photocells 14 give an alternating signal is it clearly recognized that the roller 9 is rotating, and an error message is then generated and / or the machine is stopped by means of a suitable device (not shown).
  • the device can also be used to control an individually conveyed web of material, since it does not matter whether the roll 9 rolls on a film web 2 or directly on the roll 3.
  • the photocells 14 and the optically recognizable markings 15 can also be used to distinguish between the idle and moving state of the roller 9, e.g. B. capacitive or inductive transducers can be used, while the roller 9 made of non-conductive material marks made of conductive or ferromagnetic Wear material.
  • the markings 15 can also be arranged over the circumference of the roller 9, the photocells 14 or sensors are then to be arranged accordingly and, if necessary, can also be pivoted with the lever 7.

Landscapes

  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Controlling Sheets Or Webs (AREA)
EP83110636A 1982-11-05 1983-10-25 Vorrichtung zur Kontrolle der Anwesenheit einer Warenbahn Expired EP0108329B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3240825A DE3240825C2 (de) 1982-11-05 1982-11-05 Vorrichtung zur Kontrolle der Anwesenheit einer Warenbahn
DE3240825 1982-11-05

Publications (2)

Publication Number Publication Date
EP0108329A1 EP0108329A1 (de) 1984-05-16
EP0108329B1 true EP0108329B1 (de) 1986-01-08

Family

ID=6177330

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83110636A Expired EP0108329B1 (de) 1982-11-05 1983-10-25 Vorrichtung zur Kontrolle der Anwesenheit einer Warenbahn

Country Status (7)

Country Link
US (1) US4613750A (ru)
EP (1) EP0108329B1 (ru)
JP (1) JPS59103823A (ru)
CS (1) CS253581B2 (ru)
DD (1) DD210246A5 (ru)
DE (2) DE3240825C2 (ru)
SU (1) SU1297719A3 (ru)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3341539A1 (de) * 1983-11-17 1985-05-30 Focke & Co, 2810 Verden Einrichtung zur ueberwachung und steuerung von bahnen in verpackungsmaschinen
DE9107437U1 (de) * 1991-06-17 1991-08-22 Erhardt + Leimer GmbH, 86157 Augsburg Vorrichtung zum Führen einer querstabilen Bahn
DE19944958C2 (de) * 1999-09-20 2002-02-07 Voith Paper Patent Gmbh Leit- oder Kontaktwalzenanordnung zum Handhaben einer Materialbahn, insbesondere in einer Rollenwickelvorrichtung
JP4864842B2 (ja) * 2007-09-11 2012-02-01 富士重工業株式会社 空冷式エンジンの冷却装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE736136C (de) * 1940-03-22 1943-06-08 Aeg Einrichtung zur Steuerung der Kanten einer Gewebe- oder Papierbahn

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2881275A (en) * 1955-12-16 1959-04-07 Molins Machine Co Ltd Device for detecting workpieces such as card blanks for packets
US3455213A (en) * 1965-02-17 1969-07-15 Gd Spa Monitoring device for the presence of cellophane tear strips on cellophane packaging apparatus
DE2113316C3 (de) * 1971-03-19 1975-07-24 Focke & Pfuhl Verpackungsautomaten, Sonderkonstruktionen, 3090 Verden Vorrichtung zum Prüfen des Vorhandenseins eines Verschlußstreifens bei Packungen
DE2226048A1 (de) * 1971-07-21 1973-02-01 Polygraph Leipzig Vorrichtung zum abschalten einer bogenverarbeitenden maschine beim auftreten von doppel- oder mehrbogen
US3889111A (en) * 1973-12-26 1975-06-10 Bendix Corp Device for positioning stock in a printing mechanism
US3886338A (en) * 1974-01-16 1975-05-27 Owens Corning Fiberglass Corp Band overlap detector switch for continuous ribbon mandrel
US3917142A (en) * 1974-04-04 1975-11-04 Data Products Corp Paper motion sensor apparatus
JPS6053190B2 (ja) * 1976-10-15 1985-11-25 株式会社デンソー 回転基準位置検出装置
DE2828103A1 (de) * 1978-06-27 1980-01-03 Hermann Gmbh Co Heinrich Blattabtaster
JPS57186305U (ru) * 1981-05-22 1982-11-26

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE736136C (de) * 1940-03-22 1943-06-08 Aeg Einrichtung zur Steuerung der Kanten einer Gewebe- oder Papierbahn

Also Published As

Publication number Publication date
US4613750A (en) 1986-09-23
JPS59103823A (ja) 1984-06-15
DE3240825A1 (de) 1984-05-10
DE3361805D1 (en) 1986-02-20
DD210246A5 (de) 1984-06-06
EP0108329A1 (de) 1984-05-16
JPH0543578B2 (ru) 1993-07-02
DE3240825C2 (de) 1985-06-20
SU1297719A3 (ru) 1987-03-15
CS712983A2 (en) 1985-06-13
CS253581B2 (en) 1987-11-12

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