EP0275146B1 - Method and apparatus for manufacturing blind material - Google Patents

Method and apparatus for manufacturing blind material Download PDF

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Publication number
EP0275146B1
EP0275146B1 EP88300072A EP88300072A EP0275146B1 EP 0275146 B1 EP0275146 B1 EP 0275146B1 EP 88300072 A EP88300072 A EP 88300072A EP 88300072 A EP88300072 A EP 88300072A EP 0275146 B1 EP0275146 B1 EP 0275146B1
Authority
EP
European Patent Office
Prior art keywords
layer
strip
stack
supporting
adhesive
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 - Lifetime
Application number
EP88300072A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0275146A2 (en
EP0275146A3 (en
Inventor
Wendell B. Colson
Paul Swiszcz
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.)
Hunter Douglas International NV
Original Assignee
Hunter Douglas International NV
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 Hunter Douglas International NV filed Critical Hunter Douglas International NV
Priority to AT88300072T priority Critical patent/ATE58673T1/de
Publication of EP0275146A2 publication Critical patent/EP0275146A2/en
Publication of EP0275146A3 publication Critical patent/EP0275146A3/en
Application granted granted Critical
Publication of EP0275146B1 publication Critical patent/EP0275146B1/en
Anticipated expiration legal-status Critical
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Classifications

    • 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
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D3/00—Making articles of cellular structure, e.g. insulating board
    • B31D3/02—Making articles of cellular structure, e.g. insulating board honeycombed structures, i.e. the cells having an essentially hexagonal section
    • B31D3/0207—Making articles of cellular structure, e.g. insulating board honeycombed structures, i.e. the cells having an essentially hexagonal section of particular shape or construction
    • B31D3/0215—Making articles of cellular structure, e.g. insulating board honeycombed structures, i.e. the cells having an essentially hexagonal section of particular shape or construction for window coverings

Definitions

  • This invention relates to a method and an apparatus for manufacturing blind material and in particular mats of honeycomb blind material.
  • Mats of insulating blind material in the form of a stack of a plurality of contiguous cells are known in the art. Until now these mats have been made by a number of methods which produce substantial quantities of waste.
  • US-A 4 388 354 discloses an apparatus which comprises a rotating cylinder which is wound over by two sheets of blind material. An adhesive is positioned on the sheets at alternate locations as the sheets are wound to create the cells of the blind. Once the material is wound on the cylinder it is cut axially. The mat is then straightened. This method forms layers of unequal length and a tendency of the mat to bend to its curved position.
  • US-A 4 450 027 discloses a method which partially overcomes the drawbacks mentioned above.
  • the method uses a movable rack which rotates as material is wound therein.
  • the rack has at least two opposite flat surfaces.
  • the material is folded and then wrapped around the rack to form a plurality of layers.
  • Blind mats are cut from the flat surfaces while the turned portions at either end of the surfaces produce unusable mats which go to waste.
  • GB-A 717 072 discloses a method of manufacturing an expandable blind material having a plurality or longitudinally extending superimposed cells of predetermined length, from a supply of strip-like material, said method comprising the steps of applying a first layer of strip-like material to a stack supporting means, applying a second layer of the striplike material to the first layer by positioning and holding a first portion of the second layer onto a corresponding portion of the first layer, at the end of the stack, and by relative movement between a supply (8) of the strip-like material and said stack supporting means in a direction parallel to the length of the first layer, the first and second layers of strip-like material each being flattened, longitudinally doubled material, having upper and lower layer portions, adhering the first layer to the second layer and repeating the above steps to produce a required number of layers.
  • the adhesive is applied as at least one longitudinal strip to the upper layer portion of the first layer supported on the stack supporting means, or to the lower layer portion of the second layer, by moving an adhesive applicator relative to the strip material and in that the lower layer portion of the second layer is then immediately applied to the first layer adjacent the applicator and is adhered thereto by said at least one longitudinal strip of adhesive.
  • Such a method can reduce waste and produce a flat blind mat in the position of its use thus preventing curling of the material.
  • the invention also provides apparatus for fabricating expandable blind material, said apparatus comprising supporting means for supporting a first layer of strip-like material, material supply means for laying a second layer of strip-like material on said first layer firstly including material feeding means mounted for movement relative to said supporting means in a direction extending along the length of the first layer and parallel thereto and secondly including guide means, capable of guiding the strip-like material in the form of flattened, longitudinally doubled material having upper and lower layer portions, onto a first layer; means for applying adhesive to said strip-like material; and cutting means for cutting said second layer of expandable blind material to a desired length, characterised in that said means for applying adhesive comprises at least one adhesive applicator nozzle mounted adjacent said guide means, whereby said adhesive is applied to the strip-like material immediately before said second layer is applied to said first layer.
  • a first layer 1 is pulled from supply roll 2 of strip-like material and laid upon a stack supporting means 3.
  • a second layer 4 is pulled from supply roll 2 (Fig. 2) until the end 5 of the strip like material matches the end 6 of the stack 7.
  • Material feeding means 8 is then lowered onto stack 7.
  • An adhesive applicator 9 applies at least one adhesive bead to the surface of the first layer 1.
  • the second layer 4 is then applied in face-to-face contact with the first layer by movement of the material feeding means along a direction parallel to the length of the first layer.
  • the adhesive may be a hot melt glue, epoxy or even two adhesive sided tape.
  • the method of the invention permits the use of a quick setting adhesive as the second layer is preferably applied immediately after the adhesive. It should be understood however that a slower setting adhesive may be used and applied at a point remote from feeding means 8.
  • supply roll 2 may be mounted directly to th feeding means 8 and may ride thereon.
  • the supply may also be an apparatus for forming the strip-like material which moves relative to the stack supporting means or which remains stationary as the stack supporting means moves relative thereto.
  • the second layer is cut to length after being laid upon the first layer.
  • the cutting apparatus may be a rotary cutter, laser cutter, blade or other cutting device.
  • the material supply means only applies the strip-like material to the stack when moving in the direction shown in Fig. 4.
  • a second material supply means which is a mirror image of the first may be used to supply strip-like material when the material supply means moves in a direction opposite to that shown in Fig. 4.
  • the strip-like material may be tubular (circumferentially closed) material, folded in a Z-shape or in a shape as shown in Figs. 7 & 8. If tubular material is used, a single supply is all that is necessary for the dual direction application described above. If folded material is used, it is necessary to use two separate supplies to assure proper orientation of the folds or the material must be twisted when supplied in one direction and untwisted to supply the other direction.
  • a stack supporting means 3 holds a stack 7 of blind material.
  • First layer 1 is at the top of the stack beneath a pair of supporting members or flaps 10.
  • the supporting members 10 extend in spaced parallel relation along the upper surface 11 of first layer 1.
  • the supporting members 10 define a longitudinal slot which exposes the central portion of upper surface 11.
  • the stack supporting means 3 of Figs. 7 and 8 has a pair of spaced parallel walls 12 which define a space to receive stack 7. At the bottom of each of the walls is a ridge 13 forming a constriction 14 therebetween.
  • the constriction holds a portion of the stack 7 above the constriction and between walls 12. As the weight of the stack increases or under the influence of mechanical forces, the lowest layer is forced through the constriction. This unfolds the blind permitting inspection of cells 15.
  • a supply roll 2 of Figs. 5 and 6 supplies strip-like material to a material feeding means 8.
  • the material feeding means 8 is mounted on bars 16 for linear movement parallel to the length of stack 7.
  • the material feeding means 8 includes a pair of guide-surfaces 17 which guide the strip-like material from a supply to the upper surface 11 of first layer 1.
  • An adhesive applicator 18 applies adhesive along the upper surface 11 exposed between supporting members 10.
  • a folded material is used and therefore two beads of adhesive are supplied through a pair of spouts 19 on the adhesive applicator.
  • This apparatus is particularly suited to the use of hot melt adhesives. A metered amount of adhesive is applied to the first layer and the second layer is applied immediately thereto to prevent intervening cooling.
  • cutting means 20 is shown as a reciprocating blade but may be a laser, rotary cutter or any other suitable cutting mechanism.
  • supporting members 10 rotate from a supporting position (Fig. 7) to an open position (Fig. 8).
  • the supporting members are in the form of hinged flaps and are rotated to the open position by linear actuators 21.
  • the weight of the additional layer and the mechanical action of the support members 10 closing forces lowest layer 22 through constriction 14 where it opens for inspection. It should be noted that it is possible to make constriction 14 so as to prevent passage of the lowest layer therethrough thus making the apparatus only usable to manufacture blind mats of a discrete length.
  • FIG. 10 An alternative embodiment of the material feeding means 8 is shown in Fig. 10.
  • a first roller 23 having a hollow interior communicating with a plurality of openings 24 in its face 25 is positioned with its axis perpendicular to the length of the stack.
  • a second roller 26 is proved with its axis parallel to first roller 23, forming a nip therebetween.
  • Strip-like material 27 is fed therethrough by driving either first roller 23 or second roller 26.
  • a vacuum is created within roller 23 such that the vacuum pulls strip-like material 27 to the face 25 through the difference in air pressure between ambient and opening 24 which communicate with the evacuated space within roller 23. This controls the application of the material.
  • a blockage 28 is provided to isolate the openings after they pass the low point of roller 23 so the material is released.
  • the material feeding means may be mounted to a stationary material folding apparatus and the stack supporting means moved back and forth thereunder.
  • the entire folding and feeding apparatus may be moved.
  • the device may be operated without support members 10. The device then uses the feeding means 8 to feed the second layer directly onto the top of the stack.

Landscapes

  • Blinds (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Physical Vapour Deposition (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Furnace Details (AREA)
  • Laminated Bodies (AREA)
EP88300072A 1987-01-16 1988-01-06 Method and apparatus for manufacturing blind material Expired - Lifetime EP0275146B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88300072T ATE58673T1 (de) 1987-01-16 1988-01-06 Verfahren und vorrichtung fuer die herstellung von jalousie-ausgangsmaterial.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US396787A 1987-01-16 1987-01-16
US3967 1987-01-16

Publications (3)

Publication Number Publication Date
EP0275146A2 EP0275146A2 (en) 1988-07-20
EP0275146A3 EP0275146A3 (en) 1989-07-26
EP0275146B1 true EP0275146B1 (en) 1990-11-28

Family

ID=21708447

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88300072A Expired - Lifetime EP0275146B1 (en) 1987-01-16 1988-01-06 Method and apparatus for manufacturing blind material

Country Status (8)

Country Link
EP (1) EP0275146B1 (es)
JP (1) JPH0663411B2 (es)
AT (1) ATE58673T1 (es)
AU (1) AU604826B2 (es)
CA (1) CA1312723C (es)
DE (1) DE3861131D1 (es)
ES (1) ES2019686B3 (es)
MY (1) MY103194A (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19636259B4 (de) * 1996-07-16 2006-06-01 Teh Yor Co., Ltd. Verfahren und Vorrichtung zur Herstellung von Schutz- bzw. Abdeckmaterial

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4732630A (en) * 1986-03-26 1988-03-22 Thermocell, Ltd. Method for producing expandable honeycomb material
US5078195A (en) * 1989-01-10 1992-01-07 Schoen Siegfried J Double-walled pleated curtain
US5160563A (en) * 1989-10-05 1992-11-03 Graber Industries, Inc. Method and apparatus for making an expandable cellular shade
CN115478427B (zh) * 2022-09-26 2023-09-12 山东玉马遮阳科技股份有限公司 一种双拼帘拉带机及双拼帘生产工艺

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE18316C (de) * G. HEGER in Eberswalde, Zainbammer Neuerungen an Walzwerken für Thon
US261944A (en) * 1882-08-01 Gar-wheel

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE180316C (es) *
US2619444A (en) * 1947-02-06 1952-11-25 Dufay Ltd Method of producing structural elements from web material
GB717072A (en) * 1952-05-28 1954-10-20 California Reinforced Plastics Improvements in or relating to method of and apparatus for making honeycomb materialfrom flexible sheet material
US4246061A (en) * 1977-02-02 1981-01-20 Nordifa Industritextillier Ab Method and machine for manufacturing multi-tube filters
US4290837A (en) * 1979-12-28 1981-09-22 Bova Joseph D Method and apparatus for making unexpanded honeycomb material
US4500380A (en) * 1983-12-19 1985-02-19 Bova Joseph D Method and apparatus for continuous production of expandable honeycomb

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE18316C (de) * G. HEGER in Eberswalde, Zainbammer Neuerungen an Walzwerken für Thon
US261944A (en) * 1882-08-01 Gar-wheel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19636259B4 (de) * 1996-07-16 2006-06-01 Teh Yor Co., Ltd. Verfahren und Vorrichtung zur Herstellung von Schutz- bzw. Abdeckmaterial

Also Published As

Publication number Publication date
MY103194A (en) 1993-05-29
ES2019686B3 (es) 1991-07-01
DE3861131D1 (de) 1991-01-10
ATE58673T1 (de) 1990-12-15
EP0275146A2 (en) 1988-07-20
AU1030588A (en) 1988-07-21
CA1312723C (en) 1993-01-19
JPS63247490A (ja) 1988-10-14
AU604826B2 (en) 1991-01-03
EP0275146A3 (en) 1989-07-26
JPH0663411B2 (ja) 1994-08-22

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