EP1249572A1 - Kunststoffensterfolie und Verfahren und Vorrichtung für die Herstellung davon - Google Patents

Kunststoffensterfolie und Verfahren und Vorrichtung für die Herstellung davon Download PDF

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Publication number
EP1249572A1
EP1249572A1 EP20020076309 EP02076309A EP1249572A1 EP 1249572 A1 EP1249572 A1 EP 1249572A1 EP 20020076309 EP20020076309 EP 20020076309 EP 02076309 A EP02076309 A EP 02076309A EP 1249572 A1 EP1249572 A1 EP 1249572A1
Authority
EP
European Patent Office
Prior art keywords
foil
roller
supply roll
wind
groove
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
Application number
EP20020076309
Other languages
English (en)
French (fr)
Other versions
EP1249572B1 (de
Inventor
Egbert Land
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.)
SUNFOLIE TECHNIEK B.V.
Original Assignee
Sunfolie Techniek BV
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 Sunfolie Techniek BV filed Critical Sunfolie Techniek BV
Publication of EP1249572A1 publication Critical patent/EP1249572A1/de
Application granted granted Critical
Publication of EP1249572B1 publication Critical patent/EP1249572B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40—Roller blinds

Definitions

  • the invention relates to a plastic foil for arranging behind a glazing which can be rolled up on a roller shaft for reducing the amount of sunlight incident through said glazing, provided with folds extending mutually parallel at a regular mutual distance over the width of said foil, wherein an inward bulge is formed in each case around a fold seam in a surface of the foil and an outward bulge is formed in the opposite surface.
  • Such a foil is known under the designation of protective foil from the European patent application EP-A-0711901.
  • the folds in the known foil serve as reinforcements which are formed by pleating the foil.
  • the known foil displays in side view a zigzag profile as a result of the alternately occurring inward and outward bulges of the foil.
  • the reinforcing folds are arranged to impart a better mechanical stability to the protective foil so that a foil arranged behind a glazing will depend in substantially planar manner and free of twists in the hung situation so as to prevent irritating reflections of sunlight incident on this foil.
  • a foil depending in substantially planar manner is only partially achieved with the known pleated foil. Under the influence of its own weight the zigzag profile is noticeably less clearly present on the upper side of a foil unrolled behind a glazing than on the lower side of the foil, as a result of which the foil tends to twist on an axis in vertical direction.
  • Another drawback of the known protective foil with reinforcing profile is that, as a result of the pleating, this foil is difficult to place round a roller shaft in a housing.
  • the foil acts more or less as a volute spring which, when rolled up on a roller shaft, is pressed automatically against the outside wall of a housing, which makes rolling up and subsequent unrolling more difficult.
  • inward bulges are preferably formed in the surface on the side of the foil to be directed toward the incident sunlight.
  • strips with a convex profile in longitudinal direction extend in said surface in each case between the recessed folds over the width of the foil, which strips reflect the incident sunlight as convex cylindrical mirrors.
  • the mutual distance between the folds lies within the range of about 10 mm to about 30 mm.
  • the mutual distance preferably amounts to about 23 mm.
  • the foil has in cross-section a structure with peaks and valleys, wherein the distance between peaks and valleys is smaller than about 200 ⁇ m, and preferably amounts to about 100 ⁇ m.
  • the foil is for instance assembled from a carrier layer and at least one layer applied thereto.
  • This carrier layer is for instance a polyester layer, the applied layer substantially comprises for instance aluminium.
  • the invention further relates to a method for manufacturing the foil according to the above described invention.
  • this method comprises the steps of (i) providing a fold-free plastic foil on a supply roll, (ii) providing a wind-up roller for the foil co-acting with the supply roll, (iii) providing a horizontal guide surface for guiding foil for unwinding from the supply roll and for winding onto the wind-up roller, which guide surface is provided in width direction of the foil with a groove filled with a compressible material, (iv) providing a stamp above the groove which just reaches into this groove in an up and downward movement, and (v) guiding the foil over the guide surface from the supply roll onto the wind-up roller in a continuous movement and, using the stamp in an up and downward movement, arranging at regular mutual distance in this foil folds directed to one side and extending over the width of the foil.
  • the invention further comprises an apparatus for manufacturing a foil according to the above described invention.
  • this apparatus comprises (i) a supply role for a plastic foil, (ii) a wind-up roller for the foil co-acting with the supply roll, (iii) a horizontal guide surface for guiding foil for unwinding from the supply roll and winding onto the wind-up roller, which guide surface is provided with a groove filled with an elastically compressible material in width direction of the foil, (iv) a stamp above the groove just reaching into this groove in an up and downward movement, and (v) drive means for the supply roll, the wind-up roller and the stamp for the purpose of guiding a foil over the guide surface from the supply roll onto the wind-up roller in a continuous movement and, using the stamp in an up and downward movement, arranging at regular mutual distance in this foil folds directed to one side and extending over the width of the foil.
  • Fig. 1 shows a plastic foil 1 which is partially unwound from a roller shaft 3 out of housing 4 which is suspended on the top side of a window (not shown).
  • the foil serves as reflecting daylight filter which reduces the amount of sunlight, indicated symbolically by sun 5, incident through the glazing (in the figure from the left).
  • the foil 1 Under the weight of an end slat 6 the foil 1 hangs downward in substantially planar manner.
  • Foil 1 is provided with folds 8 extending mutually parallel at a regular mutual distance over the width of this foil 1.
  • Fig. 2 shows in detail the part 2 circled in fig. 1, wherein can be seen how an inward bulge 9 is formed in each case around a fold seam 8 in surface 10 of foil 1 on the side directed toward the incident sunlight 5, which inward bulge will of course form an outward bulge in the opposite surface.
  • the mutual distance d between fold seams 8 amounts in the described embodiment to 23 mm.
  • the folds 8 form the boundaries of convexly formed foil strips extending over the width and acting as convexly cylindrical mirrors reflecting the incident sunlight.
  • Fig. 3 shows schematically an apparatus 11 for manufacturing a foil according to the invention, with a supply roll 12 for a fold-free plastic foil 13, a wind-up roller 14, a horizontal guide surface 15 which is provided with a groove 17 filled with rubber 16 in the width direction of the foil, a stamp 18 which just reaches into groove 17 in an up and downward movement.
  • unfolded foil 13 is transported by supply roll 12 at continuous speed to stamp 18 which presses the foil 13 into the rubber 16 in groove 17 in a regular up and downward movement, wherein folds 8 are formed in foil 13.
  • the foil 1 thus provided with folds 8 is wound at a continuous speed onto wind-up roller 14 driven via a slip coupling.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Laminated Bodies (AREA)
EP02076309A 2001-04-12 2002-04-04 Kunststoffensterfolie und Verfahren und Vorrichtung für die Herstellung davon Expired - Lifetime EP1249572B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1017830A NL1017830C2 (nl) 2001-04-12 2001-04-12 Kunststof beglazingsfolie, en werkwijze en inrichting voor de vervaardiging daarvan.
NL1017830 2001-04-12

Publications (2)

Publication Number Publication Date
EP1249572A1 true EP1249572A1 (de) 2002-10-16
EP1249572B1 EP1249572B1 (de) 2008-07-09

Family

ID=19773228

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02076309A Expired - Lifetime EP1249572B1 (de) 2001-04-12 2002-04-04 Kunststoffensterfolie und Verfahren und Vorrichtung für die Herstellung davon

Country Status (4)

Country Link
EP (1) EP1249572B1 (de)
AT (1) ATE400724T1 (de)
DE (1) DE60227442D1 (de)
NL (1) NL1017830C2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130180668A1 (en) * 2012-01-12 2013-07-18 Ren Judkins Method for Making Roller Shades

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10774584B2 (en) 2017-04-13 2020-09-15 Hunter Douglas Inc. Battened roller covering

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0711901A1 (de) * 1994-11-08 1996-05-15 Alfred Wriessenegger Rollbare Schutzfolie aus Kunststoff
EP0737795A2 (de) * 1995-04-13 1996-10-16 Manfred Dipl.-Phys. Schmidt Rollo-Folie und Herstellverfahren

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0711901A1 (de) * 1994-11-08 1996-05-15 Alfred Wriessenegger Rollbare Schutzfolie aus Kunststoff
EP0737795A2 (de) * 1995-04-13 1996-10-16 Manfred Dipl.-Phys. Schmidt Rollo-Folie und Herstellverfahren

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130180668A1 (en) * 2012-01-12 2013-07-18 Ren Judkins Method for Making Roller Shades
US10745965B2 (en) 2012-01-12 2020-08-18 Flexo Solutions, Llc Method for making roller shades

Also Published As

Publication number Publication date
DE60227442D1 (de) 2008-08-21
NL1017830C2 (nl) 2002-10-15
EP1249572B1 (de) 2008-07-09
ATE400724T1 (de) 2008-07-15

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