EP1468920A1 - Verfahren zum Öffnen eine Schutzabdeckung für einer Metallbandrolle - Google Patents

Verfahren zum Öffnen eine Schutzabdeckung für einer Metallbandrolle Download PDF

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Publication number
EP1468920A1
EP1468920A1 EP03425241A EP03425241A EP1468920A1 EP 1468920 A1 EP1468920 A1 EP 1468920A1 EP 03425241 A EP03425241 A EP 03425241A EP 03425241 A EP03425241 A EP 03425241A EP 1468920 A1 EP1468920 A1 EP 1468920A1
Authority
EP
European Patent Office
Prior art keywords
roll
cylindrical wall
covering
filiform
wall
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.)
Withdrawn
Application number
EP03425241A
Other languages
English (en)
French (fr)
Inventor
Riccardo Ravaglia
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.)
Rotfil Srl
Original Assignee
Rotfil Srl
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 Rotfil Srl filed Critical Rotfil Srl
Priority to EP03425241A priority Critical patent/EP1468920A1/de
Publication of EP1468920A1 publication Critical patent/EP1468920A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B69/00—Unpacking of articles or materials, not otherwise provided for
    • B65B69/0025—Removing or cutting binding material, e.g. straps or bands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B69/00—Unpacking of articles or materials, not otherwise provided for
    • B65B69/0066—Heating materials to facilitate their unpacking

Definitions

  • the present invention relates to a method for opening a covering of protective plastics material of a roll of wound metallic material such as, for example, sheet metal strip.
  • Such a covering has a shape complementary to that of the roll so as to be able to enclose it hermetically and, in particular, comprises an outer cylindrical wall and an inner cylindrical wall which are disposed coaxially about the longitudinal axis of the roll, and a first and a second flat wall having the shape of respective annuli which connect the respective facing end edges of the two cylindrical walls.
  • the method of the invention proves to be very rapid and simple in execution and thus permits widespread use of the protective coverings, which has been hitherto restricted by the lack of a convenient method of opening.
  • a roll 10 of wound metallic material such as a sheet metal strip, is surrounded ( Figures 1-3) by a covering 12 of plastics material which insulates it from the outside atmosphere, protecting it from phenomena of corrosion due to the action of atmospheric agents.
  • the covering 12 has a shape complementary to that of the roll 10 and comprises an outer cylindrical wall 14 and an inner cylindrical wall 16 which are disposed coaxially about the longitudinal axis 18 of the roll 10, and also a first and a second flat wall 20 having the shape of respective annuli which connect the respective facing end edges of the cylindrical walls 14 and 16.
  • filiform elements 22, 24 capable of generating heat are disposed.
  • the filiform elements 22, 24 are caused to assume a circumferential arrangement at the centre line plane perpendicular to the axis 18 of the roll 10. If required by particular needs, the filiform elements 22, 24 could however be disposed at any plane perpendicular to the axis 18.
  • Each filiform element 22, 24 comprises a resistor capable of generating heat as a result of the passage of an electrical current.
  • such filiform elements 22, 24 are armoured resistors capable of generating heat over substantially their entire longitudinal extent.
  • the generation of heat thereby is controlled by connecting to an electrical supply the resistors disposed inside them, so as to cause melting of the two circular sections of the covering 12 respectively facing the filiform elements 22, 24.
  • the filiform element 22 disposed on the outside of the outer cylindrical wall 14 is urged to tighten round the latter, while the filiform element 24 disposed on the inside of the inner cylindrical wall 16 is urged to expand against the latter.
  • These stresses may be exerted for example by acting on the free ends 26 of the filiform elements 22, 24.
  • the filiform elements 22, 24 could also be normal electric cables. These, however, once the melting of the facing sections of the covering 12 was completed, would come into contact with the metallic surface of the roll 10, where a dispersion of electrical charges would be created. Therefore, in order to avoid such a phenomenon, it is preferable for the electrical conductors to be conveniently insulated and, in particular, for the filiform elements 22, 24 to be produced in the form of armoured resistors.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
EP03425241A 2003-04-18 2003-04-18 Verfahren zum Öffnen eine Schutzabdeckung für einer Metallbandrolle Withdrawn EP1468920A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03425241A EP1468920A1 (de) 2003-04-18 2003-04-18 Verfahren zum Öffnen eine Schutzabdeckung für einer Metallbandrolle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03425241A EP1468920A1 (de) 2003-04-18 2003-04-18 Verfahren zum Öffnen eine Schutzabdeckung für einer Metallbandrolle

Publications (1)

Publication Number Publication Date
EP1468920A1 true EP1468920A1 (de) 2004-10-20

Family

ID=32893034

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03425241A Withdrawn EP1468920A1 (de) 2003-04-18 2003-04-18 Verfahren zum Öffnen eine Schutzabdeckung für einer Metallbandrolle

Country Status (1)

Country Link
EP (1) EP1468920A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1028794C2 (nl) * 2005-04-18 2006-10-20 Celema B V Inrichting en werkwijze voor het openen van een kunststoffen verpakking van een stapel blikdeksels.
CN102490948A (zh) * 2011-12-13 2012-06-13 华北制药河北华民药业有限责任公司 自动拆包供瓶机
DE102016007783A1 (de) * 2016-06-24 2017-12-28 Giesecke+Devrient Currency Technology Gmbh Verfahren, Vorrichtung und System zum Öffnen von Wertdokumentverpackungen

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0576779A1 (de) * 1992-07-01 1994-01-05 BBU-INDUSTRIETECHNIK- UND SERVICE-GESELLSCHAFT mbH Verfahren zum Auflösen von Fassstapeln
JP2001225818A (ja) * 2000-02-15 2001-08-21 Chiyoda Soiltec Kk 袋底の開封装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0576779A1 (de) * 1992-07-01 1994-01-05 BBU-INDUSTRIETECHNIK- UND SERVICE-GESELLSCHAFT mbH Verfahren zum Auflösen von Fassstapeln
JP2001225818A (ja) * 2000-02-15 2001-08-21 Chiyoda Soiltec Kk 袋底の開封装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 25 12 April 2001 (2001-04-12) *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1028794C2 (nl) * 2005-04-18 2006-10-20 Celema B V Inrichting en werkwijze voor het openen van een kunststoffen verpakking van een stapel blikdeksels.
WO2006112712A2 (en) * 2005-04-18 2006-10-26 Celema B.V. Device and method for opening a plastic packaging of a stack of can lids
WO2006112712A3 (en) * 2005-04-18 2007-03-29 Celema B V Device and method for opening a plastic packaging of a stack of can lids
CN102490948A (zh) * 2011-12-13 2012-06-13 华北制药河北华民药业有限责任公司 自动拆包供瓶机
CN102490948B (zh) * 2011-12-13 2013-04-24 华北制药河北华民药业有限责任公司 自动拆包供瓶机
DE102016007783A1 (de) * 2016-06-24 2017-12-28 Giesecke+Devrient Currency Technology Gmbh Verfahren, Vorrichtung und System zum Öffnen von Wertdokumentverpackungen
US10981687B2 (en) 2016-06-24 2021-04-20 Giesecke+Devrient Currency Technology Gmbh Method, device and system for opening valuable document packages

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