EP0275146A2 - Method and apparatus for manufacturing blind material - Google Patents
Method and apparatus for manufacturing blind material Download PDFInfo
- Publication number
- EP0275146A2 EP0275146A2 EP88300072A EP88300072A EP0275146A2 EP 0275146 A2 EP0275146 A2 EP 0275146A2 EP 88300072 A EP88300072 A EP 88300072A EP 88300072 A EP88300072 A EP 88300072A EP 0275146 A2 EP0275146 A2 EP 0275146A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- blind
- stack
- strip
- supply means
- 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.)
- Granted
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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.
- U.S. Patent No. 4,388,354 issued June 14, 1983 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 th 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.
- U.S. Patent No. 4,450,027 issued May 22, 1984 discloses a method which partially overcomes the drawbacks mentioned above.
- the method uses a movable rack which rotates as material is wound thereon.
- 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.
- the method supports a stack of blind material as additional layers of blind material are added to the stack.
- a first layer of the material is applied to the stack supporting means.
- a second layer is then applied to the first layer by positioning a first portion of the second layer onto a compatible portion of a first layer at an end of the stack.
- the remainder of the second layer is then applied in face-to-face contact with the remainder of the first layer by relative movement between a supply means for the material and the stack supporting means.
- the relative motion is in a direction extending parallel to the length of the first layer.
- the first and second layers are adhered together and then the steps are repeated. Thus a blind mat is quickly created in a flat orientation.
- the apparatus has a supporting means for supporting a strip of blind material.
- a material supply means lays a second layer of blind material on a first layer which is supported by the supporting means.
- the material supply means includes a material feeding means mounted for movement relative to the supporting means in a direction extending along the length of the first layer and parallel thereto.
- An adhering means is provided to adhere the first and second layer in face-to-face contact.
- a cutting means cuts the second layer to the same length as the 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 unfolded flat, single layer material, tubular (circumferentially closed) material, folded in a Z-shape or in a shape as shown in Figs. 7 & 8. If unfolded or 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 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 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)
- Curtains And Furnishings For Windows Or Doors (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Physical Vapour Deposition (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Furnace Details (AREA)
Abstract
Description
- 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.
- For example, U.S. Patent No. 4,388,354 issued June 14, 1983 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 th 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.
- U.S. Patent No. 4,450,027 issued May 22, 1984 discloses a method which partially overcomes the drawbacks mentioned above. The method uses a movable rack which rotates as material is wound thereon. 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.
- It is an object of the invention therefore to produce a blind mat by a method which reduces waste and produces a flat blind mat in the position of its use thus preventing curling of the material.
- The method supports a stack of blind material as additional layers of blind material are added to the stack. A first layer of the material is applied to the stack supporting means. A second layer is then applied to the first layer by positioning a first portion of the second layer onto a compatible portion of a first layer at an end of the stack. The remainder of the second layer is then applied in face-to-face contact with the remainder of the first layer by relative movement between a supply means for the material and the stack supporting means. The relative motion is in a direction extending parallel to the length of the first layer.
- The first and second layers are adhered together and then the steps are repeated. Thus a blind mat is quickly created in a flat orientation.
- The apparatus has a supporting means for supporting a strip of blind material. A material supply means lays a second layer of blind material on a first layer which is supported by the supporting means. The material supply means includes a material feeding means mounted for movement relative to the supporting means in a direction extending along the length of the first layer and parallel thereto. An adhering means is provided to adhere the first and second layer in face-to-face contact. A cutting means cuts the second layer to the same length as the first layer.
-
- Fig. 1 is a front schematic view of the apparatus of the invention at the end of laying the first layer;
- Fig. 2 is a schematic view of Fig. 1 in the return step;
- Fig. 3 is a schematic view showing the initiation of the laying of a second layer;
- Fig. 4 is a schematic view showing the laying of the second layer;
- Fig. 5 is a top view of the apparatus of the invention;
- Fig. 6 is an enlarged view of the material feeding means of the invention along lines 6-6 of Fig. 5;
- Fig. 7 is an end view of the blind mat in the supporting means of the apparatus along lines 7-7 of Fig. 5;
- Fig. 8 is the view of Fig. 7 with the supporting members moved to an open position;
- Fig. 9 is an enlarged view showing the cutting means of the apparatus, and;
- Fig. 10 is an enlarged view of an alternate embodiment of the material feeding means.
- In the method of the invention (Figs. 1-4) a first layer 1 is pulled from
supply roll 2 of strip-like material and laid upon astack supporting means 3. Asecond layer 4 is pulled from supply roll 2 (Fig. 2) until theend 5 of the strip like material matches the end 6 of thestack 7. Material feeding means 8 is then lowered ontostack 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 fromfeeding means 8. - Alternatively,
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.
- It is further seen that 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. Thus there is no wasted motion of the supply means as it supplies material in both directions using the same adhesive applicator in both directions.
- The strip-like material may be unfolded flat, single layer material, tubular (circumferentially closed) material, folded in a Z-shape or in a shape as shown in Figs. 7 & 8. If unfolded or 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.
- The apparatus of the invention is shown in Figs. 5 & 6. 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 supportingmembers 10 extend in spaced parallel relation along theupper surface 11 of first layer 1. The supportingmembers 10 define a longitudinal slot which exposes the central portion ofupper surface 11. - The stack supporting means 3 has a pair of spaced
parallel walls 12 which define a space to receivestack 7. At the bottom of each of the walls is aridge 13 forming aconstriction 14 therebetween. The constriction holds a portion of thestack 7 above the constriction and betweenwalls 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 ofcells 15. - A
supply roll 2 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 ofstack 7. The material feeding means 8 includes a pair of guide-surfaces 17 which guide the strip-like material from a supply to theupper surface 11 of first layer 1. - An
adhesive applicator 18 applies adhesive along theupper surface 11 exposed between supportingmembers 10. Preferably a folded material is used and therefore two beads of adhesive are supplied through a pair ofspouts 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. - At the end of the application of
second layer 4, the layer is cut to length by cutting means 20 (Fig. 9) cutting means 20 is shown as a reciprocating blade but may be a laser, rotary cutter or any other suitable cutting mechanism. - After the
second layer 4 is cut supportingmembers 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 bylinear actuators 21. The weight of the additional layer and the mechanical action of thesupport members 10 closing forceslowest layer 22 throughconstriction 14 where it opens for inspection. It should be noted that it is possible to makeconstriction 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. - 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 ofopenings 24 in itsface 25 is positioned with its axis perpendicular to the length of the stack. Asecond roller 26 is proved with its axis parallel tofirst roller 23, forming a nip therebetween. Strip-like material 27 is fed therethrough by driving eitherfirst roller 23 orsecond roller 26. A vacuum is created withinroller 23 such that the vacuum pulls strip-like material 27 to theface 25 through the difference in air pressure between ambient andopening 24 which communicate with the evacuated space withinroller 23. This controls the application of the material. Ablockage 28 is provided to isolate the openings after they pass the low point ofroller 23 so the material is released. - It should be noted that certain modifications to the apparatus may be made within the scope of the invention. For example, the material feeding means may be mounted to a stationary material folding apparatus and the stack supporting means moved back and forth thereunder. Alternatively, the entire folding and feeding apparatus may be moved. Furthermore, 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.
Claims (20)
(i) positioning and holding a first portion of said second layer onto a first portion of the first layer at an end of the stack; and
(ii) applying the remainder of said second layer in face-to-face contact with the remainder of the first layer by relative movement between a supply means for the strip-like material and said stack supporting means in a direction extending parallel to the length of said first layer;
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT88300072T ATE58673T1 (en) | 1987-01-16 | 1988-01-06 | METHOD AND DEVICE FOR THE MANUFACTURE OF BLINDS BASIC MATERIAL. |
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 true EP0275146A2 (en) | 1988-07-20 |
EP0275146A3 EP0275146A3 (en) | 1989-07-26 |
EP0275146B1 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 (en) |
JP (1) | JPH0663411B2 (en) |
AT (1) | ATE58673T1 (en) |
AU (1) | AU604826B2 (en) |
CA (1) | CA1312723C (en) |
DE (1) | DE3861131D1 (en) |
ES (1) | ES2019686B3 (en) |
MY (1) | MY103194A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1003908C2 (en) * | 1996-07-16 | 1998-01-21 | Teh Yor Ind Co | Method and device for manufacturing curtain material. |
CN115478427A (en) * | 2022-09-26 | 2022-12-16 | 山东玉马遮阳科技股份有限公司 | Double-spliced curtain tape drawing machine and double-spliced curtain production process |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4732630A (en) * | 1986-03-26 | 1988-03-22 | Thermocell, Ltd. | Method for producing expandable honeycomb material |
EP0379242B1 (en) * | 1989-01-10 | 1994-03-30 | Schön B.V. | Double-walled pleated curtain |
US5160563A (en) * | 1989-10-05 | 1992-11-03 | Graber Industries, Inc. | Method and apparatus for making an expandable cellular shade |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE18316C (en) * | G. HEGER in Eberswalde, Zainbammer | Innovations in rolling mills for Thon | ||
DE180316C (en) * | ||||
US261944A (en) * | 1882-08-01 | Gar-wheel | ||
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 |
-
1988
- 1988-01-06 EP EP88300072A patent/EP0275146B1/en not_active Expired - Lifetime
- 1988-01-06 AT AT88300072T patent/ATE58673T1/en not_active IP Right Cessation
- 1988-01-06 ES ES88300072T patent/ES2019686B3/en not_active Expired - Lifetime
- 1988-01-06 DE DE8888300072T patent/DE3861131D1/en not_active Expired - Fee Related
- 1988-01-13 MY MYPI88000028A patent/MY103194A/en unknown
- 1988-01-13 JP JP63005696A patent/JPH0663411B2/en not_active Expired - Fee Related
- 1988-01-15 CA CA000556580A patent/CA1312723C/en not_active Expired - Fee Related
- 1988-01-15 AU AU10305/88A patent/AU604826B2/en not_active Ceased
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE18316C (en) * | G. HEGER in Eberswalde, Zainbammer | Innovations in rolling mills for Thon | ||
DE180316C (en) * | ||||
US261944A (en) * | 1882-08-01 | Gar-wheel | ||
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 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1003908C2 (en) * | 1996-07-16 | 1998-01-21 | Teh Yor Ind Co | Method and device for manufacturing curtain material. |
CN115478427A (en) * | 2022-09-26 | 2022-12-16 | 山东玉马遮阳科技股份有限公司 | Double-spliced curtain tape drawing machine and double-spliced curtain production process |
CN115478427B (en) * | 2022-09-26 | 2023-09-12 | 山东玉马遮阳科技股份有限公司 | Double-spliced curtain belt drawing machine and double-spliced curtain production process |
Also Published As
Publication number | Publication date |
---|---|
MY103194A (en) | 1993-05-29 |
AU604826B2 (en) | 1991-01-03 |
CA1312723C (en) | 1993-01-19 |
EP0275146B1 (en) | 1990-11-28 |
DE3861131D1 (en) | 1991-01-10 |
JPS63247490A (en) | 1988-10-14 |
ES2019686B3 (en) | 1991-07-01 |
EP0275146A3 (en) | 1989-07-26 |
AU1030588A (en) | 1988-07-21 |
ATE58673T1 (en) | 1990-12-15 |
JPH0663411B2 (en) | 1994-08-22 |
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