EP0761907A1 - Feuille protectrice - Google Patents

Feuille protectrice Download PDF

Info

Publication number
EP0761907A1
EP0761907A1 EP96112774A EP96112774A EP0761907A1 EP 0761907 A1 EP0761907 A1 EP 0761907A1 EP 96112774 A EP96112774 A EP 96112774A EP 96112774 A EP96112774 A EP 96112774A EP 0761907 A1 EP0761907 A1 EP 0761907A1
Authority
EP
European Patent Office
Prior art keywords
adhesive
film
fold
film according
film web
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
EP96112774A
Other languages
German (de)
English (en)
Other versions
EP0761907B1 (fr
Inventor
Günter Klauss
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.)
KLAUSS, GUENTER
Original Assignee
Individual
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
Priority claimed from DE19535710A external-priority patent/DE19535710C1/de
Application filed by Individual filed Critical Individual
Publication of EP0761907A1 publication Critical patent/EP0761907A1/fr
Application granted granted Critical
Publication of EP0761907B1 publication Critical patent/EP0761907B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
    • E04G21/30—Safety or protective measures preventing damage to building parts or finishing work during construction against mechanical damage or dirt, e.g. guard covers of stairs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
    • B05B12/20—Masking elements, i.e. elements defining uncoated areas on an object to be coated
    • B05B12/24—Masking elements, i.e. elements defining uncoated areas on an object to be coated made at least partly of flexible material, e.g. sheets of paper or fabric

Definitions

  • window frames In the construction sector, the situation very often arises that trades that have already been carried out must not be contaminated in the further work processes. If, for example, window frames are set, the window frames must be covered so that when the facade is subsequently plastered, no mortar or plaster splashes damage the window frames that have already been installed. Such window frames have heights of approx. 1.20 m, which is why correspondingly wide cover films are required.
  • the length of the film depends on the width of the window, so that, if no special measures are taken, the film must be wound on a roll, the length of which corresponds to the window height. Obviously, however, such rolls are difficult to handle, which is why it is known from DE-A-41 41 041 to wind up the cover sheet in the delivery form folded like a leporello. This significantly shortens the roll according to the number of folds.
  • DE 38 22 186 A1 describes another possibility of reducing the width of the film before winding it up.
  • a correspondingly wide film web is provided with a large number of small folds before winding, which run parallel to one another at a distance and continue over the length of the film web.
  • the film web is, as it were, pleated, as seen in the transverse direction, through the folds, with intermediate regions which are unfolded between adjacent folds of approximately 1 cm in width.
  • the film web thus prepared is provided with an adhesive coating on one of its outer sides and then wound up.
  • the folds on the inside are free of adhesive, since the film is double in this area. If this film is used at the place of use and a correspondingly long piece is unwound from the supply roll and separated, the film pleated across the width immediately falls apart over the entire original length, since the folds are not fixed. Such a breakup is undesirable. Furthermore, the adhesiveness of the adhesive is the same over the entire width of the web, which also is disadvantageous. Because of the direct application of the adhesive to the very thin film, no adhesive with great adhesiveness can be used. This would run the risk of the film tearing when pulled off because the adhesive sticks too strongly to the surface to be protected. A weak adhesive, on the other hand, promotes premature detachment of the film from the base, which is also undesirable.
  • the adhesive between two adjacent layers of the leporello-like fold initially holds these folds together.
  • the cover film is held in a width according to the delivery form, even if it is glued to the area to be covered with an edge. It can then be adapted to the desired length or height of the area to be covered by pulling out the fold, while the excess area of the cover film remains hidden in the fold glued together.
  • the film according to the invention will therefore readily run largely taut over the area to be protected and will not form a loosely sagging balloon in which one can easily get caught and which can be easily torn because it is extremely thin.
  • the width of the covering film according to the invention can thus be varied as desired between the width according to the delivery form and the maximum extended length without having to be cut to size.
  • the adhesive strips do not hinder the unwinding of the film from the roll, they are preferably covered with a protective paper or film.
  • the adhesive that holds the fold together should on the one hand have sufficient adhesiveness so that non-aggressive wind forces pull the fold apart prematurely, but on the other hand be so weak that the film does not tear when pulled out.
  • the adhesive holding the fold is not applied as a continuous web, but in individual, discretely distributed adhesive spots that are evenly distributed over the surface.
  • the figure does not show to scale the preferred embodiment of a cover film 1 for the protection of surfaces which must not be contaminated when processing adjacent surfaces.
  • the cover film 1 consists of an elongated band-shaped film web 2 which is delimited by two straight side edges 3, 4 running parallel and at a distance from one another. Between these two side edges 3, 4, the film web 2 is folded like a leporello, whereby two continuous folding edges 5, 6 are formed in the longitudinal direction. As a result, the width of the film web 2 is divided into a total of three areas 7, 8 and 9, which include folds between them.
  • the area 7 projects near the side edge 4 with a strip-shaped area 11 over the folded edge 6.
  • the strip-shaped area 11 carries on the side on which the areas 8 and 9 are located after the fan fold, a reinforcing strip 12, the width of which is slightly less than the width of the strip 11 and which extends over the entire length of the film web 2.
  • the reinforcement strip 12 ends laterally at the side edge 4, ie there is neither the reinforcement strip 12 over the film web 2 and the film web 2 over the reinforcement strip 12.
  • the reinforcement strip 12 is permanently connected to the relevant side of the film web 2 by gluing or welding. It carries on its side facing away from the film web 2 an adhesive layer 13 which adheres more strongly to the reinforcement strip 12 than to the documents to which the cover film 1 is to be glued.
  • the adhesive layer 13 completely covers the side of the reinforcing strip 12 pointing away from the film web 2 and runs continuously over the entire length of the reinforcement strip 12 and thus of the film web 2.
  • a protective strip 14 for example made of silicone paper, which in the delivery form d. H. in the wound form prevents sticking to the back of the inwardly adjacent winding layer. It is easy to peel off to reveal the adhesive layer.
  • the film web 2 can also be folded in more than twice, depending on the length of the roll 14 for a given width of the film web, measured between the two side edges 3 and 4, to be achieved.
  • the area 9 projects beyond the folded edge 5, so that a further strip-shaped area 15 is created which runs parallel to the edge 3.
  • a reinforcement strip 16 On this strip-shaped area 15 there is a reinforcement strip 16, the width of which corresponds approximately to the distance between the edge 3 and the folded edge 5.
  • This reinforcement strip 16 has the same structure as the reinforcement strip 12, ie it carries an adhesive layer 17 on its side facing away from the film web 2, and it is fastened to the film web 2 in the same way.
  • the adhesive layer 17 is through a protective film 18 covered. If, on the other hand, it is desirable for the winding layers to adhere to one another in order to stabilize the roller 19, the protective strips 14 and 18 can also be omitted.
  • the two adhesive layers 13 and 17 are located on the same side of the film web 2, so that the film web 2 can be glued to a base in the region of the two edges 3 and 4.
  • the folded and coated film web 2, as described, is wound into a roll 19 in the delivery form.
  • the region 8 is provided with an adhesive coating 21 on its side facing the region 9.
  • This adhesive coating 21 can consist of a continuous film-like coating or, as indicated, can be individual adhesive dots applied to the area 8 between the folded edge 5 and the folded edge 6. The same effect is also achieved if this adhesive coating 21 is applied to the area 9. In any case, the area 8 adheres to the area 9 and thus fixes the fold. Finally, it is also possible to evenly apply adhesive strips to the surface.
  • the handling of the cover sheet 1 according to the invention is as follows:
  • a length of the new cover film 1 that corresponds to the width of the door or window frame is unwound from the roll 19.
  • the protective film 18 is first removed and the cut piece of Cover film 2 glued along the upper edge of the area to be protected.
  • the protective strip 14 is then removed from the edge which is now at the bottom and the lower edge 4 is pulled down by hand until it is congruent with the lower edge of the region to be covered.
  • the folded edge 5 gradually shifts from the vicinity of the edge 3 in the direction of the folded edge 6.
  • the area 8 rolls down from the area 9, as it were.
  • the fold formed between the regions 7 and 8 is shortened in a similar manner.
  • the material of the cover sheet 1 that is not required is "hidden" in the fold between the two areas 8 and 9.
  • the fold held together by the adhesive coating between the areas 8 and 9 is on the outside, while the other, non-fixed fold between the areas 7 and 8 faces the surface to be protected is.
  • the loose and open fold between the areas 7 and 8 is locked between the cover sheet 1 and the area to be protected. It is also open at the bottom, so nothing can fall in.
  • the outside and thus unprotected fold between the areas 8 and 9 in the area of their opening is kept closed by the adhesive coating 21, so that no foreign bodies can fall into the fold pointing upwards.
  • the new cover film Since the new cover film has an apparent width that corresponds to the required height, it does not form a balloon over the area to be covered, but is stretched tightly over it.
  • the free side edges are fixed to the area to be protected with an appropriate adhesive tape.
  • the width of the cover sheet 1 can be set practically as desired between the smallest width in the delivery form and the greatest width with fully extended folds.
  • the new cover film 1 has a variable width, so to speak.
  • a fine line-shaped adhesive strip 22, for example composed of individual dots, can be provided on the area 7.
  • This line of individual adhesive dots follows the folded edge 5 in its immediate vicinity.
  • the adhesive strength must be very low because when the cover film 1 is pulled out in this area, as in the vicinity of the folded edge 5, a rolling movement does not take place, but when the cover is pulled out, the adhesive in the area of the linear adhesive coating 22 must be torn off over the entire area. Therefore, liability in this area must be very low.
  • the width ratio is between the width in the delivery form and the width in the extended form.
  • the web which forms the cover film 1 can also be folded several times like a leporello, the condition being that there is always an even number of folded edges 5, 6.
  • This also results in an even number of folds enclosed between corresponding regions, the folds which open in the direction of the edge 3, ie upwards in the case of use, being held together with the aid of a corresponding adhesive coating 21, while the other folds which open in the direction of the edge 4 and thus downwards, either are completely open or are only kept closed by the securing adhesive 22.
  • the folds formed between the regions 7, 8 and 9 are in the delivery form on the side which points away from the side of the adhesive layers 13 and 17.
  • the embodiment shown also shows the two adhesive strips 13 and 17, on that side of the film web 9 which points away from the adhesive coating 21 or does not carry it.
  • the advantages achieved with this are mentioned above.
  • Such a construction of the cover sheet 1 is advantageous in the case of large pull-out lengths, because after the fold has been pulled out, adhesive remains on the relevant side of the section 9, which enables the cover sheet 1 stretched over the surface to be protected to be additionally protected in this area with the one to be protected Surface to be glued, since it then faces the surface to be protected in the orientation of the self-adhesive strips 13 and 17.
  • the exemplary embodiment shown is the preferred embodiment in that the two self-adhesive strips 13 and 17 are provided on both longitudinal edges 4 and 5, which significantly simplifies handling.
  • these self-adhesive strips 13 and 17 can be omitted together with the reinforcements 12 and 16 and instead the cover film 1, which has been cut to length, is stuck onto the surface to be protected with a correspondingly wide masking tape by the masking tape is partially glued on the cover film 1 and partially on the surface to be protected.
  • This embodiment has the advantage that the user can choose whether the fold held together by the adhesive coating 21 points away from the surface to be protected or faces the surface to be protected, in the latter case an additional fixing of the cover film is possible, as described above is described.
  • An essentially endless film web delimited by two mutually parallel edges is folded at least once in a zigzag or leporello fashion, so that two folds open in the opposite direction arise.
  • One of these folds is provided with an adhesive coating on the inside, which stabilizes or fixes the fold until it is pulled out to adjust the effective width.
  • the film web projects laterally and carries one in there on the same side Continuous length of adhesive strips.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)
  • Packages (AREA)
  • Closures For Containers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Materials For Medical Uses (AREA)
  • Making Paper Articles (AREA)
  • Decoration Of Textiles (AREA)
  • Adhesive Tapes (AREA)
EP96112774A 1995-09-05 1996-08-08 Feuille protectrice Expired - Lifetime EP0761907B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19532748 1995-09-05
DE19532748 1995-09-05
DE19535710A DE19535710C1 (de) 1995-09-05 1995-09-26 Abdeckfolie
DE19535710 1995-09-26

Publications (2)

Publication Number Publication Date
EP0761907A1 true EP0761907A1 (fr) 1997-03-12
EP0761907B1 EP0761907B1 (fr) 2000-05-03

Family

ID=26018311

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96112774A Expired - Lifetime EP0761907B1 (fr) 1995-09-05 1996-08-08 Feuille protectrice

Country Status (6)

Country Link
EP (1) EP0761907B1 (fr)
AT (1) ATE192532T1 (fr)
DK (1) DK0761907T3 (fr)
ES (1) ES2146341T3 (fr)
GR (1) GR3033578T3 (fr)
PT (1) PT761907E (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10337195B1 (en) * 2018-05-21 2019-07-02 Jacob A. Langkilde Containment sheeting mounting system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4263347A (en) * 1979-03-22 1981-04-21 Banta Maynard A Apparatus and method for masking surfaces
EP0315410A1 (fr) * 1987-11-02 1989-05-10 Minnesota Mining And Manufacturing Company Matériau sous forme de feuille pour dispositif à masquer
DE3822186A1 (de) * 1988-07-01 1990-01-04 Beiersdorf Ag Selbstklebende abdeckfolie
DE4141041A1 (de) * 1991-12-13 1993-06-17 Guenter Klauss Abdeckfolie

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4263347A (en) * 1979-03-22 1981-04-21 Banta Maynard A Apparatus and method for masking surfaces
US4263347B1 (fr) * 1979-03-22 1989-08-01
EP0315410A1 (fr) * 1987-11-02 1989-05-10 Minnesota Mining And Manufacturing Company Matériau sous forme de feuille pour dispositif à masquer
DE3822186A1 (de) * 1988-07-01 1990-01-04 Beiersdorf Ag Selbstklebende abdeckfolie
DE4141041A1 (de) * 1991-12-13 1993-06-17 Guenter Klauss Abdeckfolie

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10337195B1 (en) * 2018-05-21 2019-07-02 Jacob A. Langkilde Containment sheeting mounting system

Also Published As

Publication number Publication date
GR3033578T3 (en) 2000-09-29
PT761907E (pt) 2000-10-31
EP0761907B1 (fr) 2000-05-03
ATE192532T1 (de) 2000-05-15
DK0761907T3 (da) 2000-09-18
ES2146341T3 (es) 2000-08-01

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