EP0099242A2 - Verfahren und Vorrichtung zum Aufrollen eines laufenden Bandmaterials auf eine Rolle - Google Patents

Verfahren und Vorrichtung zum Aufrollen eines laufenden Bandmaterials auf eine Rolle Download PDF

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Publication number
EP0099242A2
EP0099242A2 EP83303950A EP83303950A EP0099242A2 EP 0099242 A2 EP0099242 A2 EP 0099242A2 EP 83303950 A EP83303950 A EP 83303950A EP 83303950 A EP83303950 A EP 83303950A EP 0099242 A2 EP0099242 A2 EP 0099242A2
Authority
EP
European Patent Office
Prior art keywords
web
roll
winding
running web
air
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Withdrawn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
EP83303950A
Other languages
English (en)
French (fr)
Other versions
EP0099242A3 (de
Inventor
Lester A. Balster
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.)
Appvion Operations Inc
Original Assignee
Appleton Papers Inc
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 Appleton Papers Inc filed Critical Appleton Papers Inc
Publication of EP0099242A2 publication Critical patent/EP0099242A2/de
Publication of EP0099242A3 publication Critical patent/EP0099242A3/de
Withdrawn legal-status Critical Current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
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/26—Mechanisms for controlling contact pressure on winding-web package, e.g. for regulating the quantity of air between web layers
    • 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
    • B65H23/24—Registering, tensioning, smoothing or guiding webs longitudinally by fluid action, e.g. to retard the running web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2601/00—Problem to be solved or advantage achieved
    • B65H2601/20—Avoiding or preventing undesirable effects
    • B65H2601/21—Dynamic air effects
    • B65H2601/211—Entrapping air in or under the material

Definitions

  • the present invention relates to a method and apparatus for winding a running web of material onto a winding roll in a tight and uniform manner. More particularly, the present invention is directed to a method of substantially eliminating entrained air which becomes trapped between the layers of a web material as it is wound onto a winding roll.
  • Two methods which have been utilized to control the air entrainment problem involve either increasing the tension in the running web of material or utilizing a contact roll to expel the air from between the web layers immediately after a running web of material makes contact with a previously wound layer.
  • both of these methods have been found to be unsuitable for winding a running web of material, particularly when the web material is a paper web such as pressure sensitive paper.
  • the use of increased tension frequently results in permanent, undesirable sheet distortion in the web product and the use of a contact roll causes premature imaging of carbonless paper in rolls where the minor differences in cross machine profile are present. The imaging is caused by excessive pressure at the areas of larger diameter.
  • Patent 2,678,173 and 2,796,223 are cumulative in showing that although air pressure is utilized in association with a running web, there is no recognition of the advantages achieved in positioning a source of air pressure in the vicinity of the point of contact between the running web and the winding roll to achieve a tight and uniform web roll, particularly a tight and uniform roll of carbonless paper which is substantially free of premature imaging, and the like.
  • An object of the present invention is to provide an improved method and apparatus for winding a running web of material onto a winding roll in a tight and uniform manner.
  • Another object of the present invention is to provide an improved method and apparatus of eliminating entrained air which becomes trapped between the layers of a running web of material as it is wound onto a winding roll.
  • a further object of the present invention is to provide an improved method and apparatus for winding a running web of material onto a winding roll whereby significantly harder rolls can be obtained at an increased winding speed.
  • Still another object of the present invention is to provide an improved method and apparatus for winding a web of pressure sensitive paper onto a winding roll which eliminates undesirable sheet distortion in the wound product and avoids premature imaging of the pressure sensitive paper as a result of excessive pressure being applied to the running web.
  • a method of winding a running web of material onto a winding roll in a tight and uniform manner by substantially eliminating entrained air which becomes trapped between the layers of the web material as they are wound onto the roll comprises applying a fluid pressure to the running web in the vicinity where the running web enters the winding roll.
  • the fluid pressure can be, for example, pressurized air supplied by an air knife and advantageously located slightly past the point of contact between the incoming web and the paper roll or reel.
  • the high pressure air pad formed by the air knife expels the entrained air from between the web layers immediately after the web enters the reel. Because there is no physical contact between a structural element and running web for forcing the web against the roll, the damage normally experienced with the use of a contact roll is avoided.
  • the air pressure can be supplied to the air knife at a pressure which is sufficient to achieve a tight and uniform winding of the web material onto the winding roll. Obviously, the pressure of the air can be reduced if the gap between the air knife and the surface of the web is narrowed.
  • the air pressure can vary from about 14 to 55 Kilo Pascals (about 2 to 8 psi) at the air knife with a gap varying from about 5 to 13 millimetres (about 3/16 to 1/2 inch) between the air knife and the surface of the winding roll.
  • the air pad provided by the air knife is located approximately 13 millimetres (about 1/2 inch) past the point of contact of the.incoming web to the reel.
  • the invention has particular advantages for the reeling of webs at speeds in excess of 600 metres per minute and is of especial benefit for speeds in excess of 800 metres per minute.
  • Figure 1 shows the problem which presently exists in high speed winding systems when utilizing a pressure roll 5 for forcing a running web of material 1 against the surface of the winding roll 3 which is supported by the winder 4.
  • a retractable carriage 2 is utilized to position the running web for introduction onto the winding roll 3.
  • the contact roll 5 shown in Figure 1 is illustrative of the problem which the present invention is intended to obviate.
  • the contact roll through its pressure against the surface of the winding roll 3 causes premature imaging of carbonless paper being wound onto the roll where the minor differences in cross machine profile are present. This imaging is caused by excessive pressure in the points of larger diameter.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Winding Of Webs (AREA)
EP83303950A 1982-07-08 1983-07-06 Verfahren und Vorrichtung zum Aufrollen eines laufenden Bandmaterials auf eine Rolle Withdrawn EP0099242A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US39626882A 1982-07-08 1982-07-08
US396268 1982-07-08

Publications (2)

Publication Number Publication Date
EP0099242A2 true EP0099242A2 (de) 1984-01-25
EP0099242A3 EP0099242A3 (de) 1985-01-23

Family

ID=23566553

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83303950A Withdrawn EP0099242A3 (de) 1982-07-08 1983-07-06 Verfahren und Vorrichtung zum Aufrollen eines laufenden Bandmaterials auf eine Rolle

Country Status (7)

Country Link
EP (1) EP0099242A3 (de)
AU (1) AU1595783A (de)
BR (1) BR8303614A (de)
DK (1) DK313483A (de)
ES (1) ES8502056A1 (de)
FI (1) FI832290L (de)
ZA (1) ZA834415B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003004389A1 (en) * 2001-07-04 2003-01-16 Metso Paper, Inc. Method and apparatus for pressing a paper web against a reel
EP1350749A2 (de) * 2002-04-04 2003-10-08 Fuji Photo Film Co., Ltd. Bahnwickler

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2678173A (en) * 1950-12-29 1954-05-11 Ibm Tape feed mechanism
GB1015729A (en) * 1963-12-13 1966-01-05 Ici Ltd Web winding method and apparatus
GB1073591A (en) * 1963-09-23 1967-06-28 Thomas Alfred Gardner Web positioning apparatus and method
DE2239778A1 (de) * 1972-08-12 1974-02-28 Agfa Gevaert Ag Wickelvorrichtung mit luftkissen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2678173A (en) * 1950-12-29 1954-05-11 Ibm Tape feed mechanism
GB1073591A (en) * 1963-09-23 1967-06-28 Thomas Alfred Gardner Web positioning apparatus and method
GB1015729A (en) * 1963-12-13 1966-01-05 Ici Ltd Web winding method and apparatus
DE2239778A1 (de) * 1972-08-12 1974-02-28 Agfa Gevaert Ag Wickelvorrichtung mit luftkissen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003004389A1 (en) * 2001-07-04 2003-01-16 Metso Paper, Inc. Method and apparatus for pressing a paper web against a reel
EP1350749A2 (de) * 2002-04-04 2003-10-08 Fuji Photo Film Co., Ltd. Bahnwickler
EP1350749A3 (de) * 2002-04-04 2006-03-15 Fuji Photo Film Co., Ltd. Bahnwickler

Also Published As

Publication number Publication date
ZA834415B (en) 1984-06-27
DK313483D0 (da) 1983-07-07
ES523931A0 (es) 1984-12-16
DK313483A (da) 1984-01-09
BR8303614A (pt) 1984-02-14
AU1595783A (en) 1984-01-12
FI832290A0 (fi) 1983-06-22
FI832290L (fi) 1984-01-09
EP0099242A3 (de) 1985-01-23
ES8502056A1 (es) 1984-12-16

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

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Effective date: 19850923

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Inventor name: BALSTER, LESTER A.