EP1117882A1 - Element de fixation et procede pour fixer des bandes ou des plaques isolantes sur une base fixe - Google Patents

Element de fixation et procede pour fixer des bandes ou des plaques isolantes sur une base fixe

Info

Publication number
EP1117882A1
EP1117882A1 EP99947456A EP99947456A EP1117882A1 EP 1117882 A1 EP1117882 A1 EP 1117882A1 EP 99947456 A EP99947456 A EP 99947456A EP 99947456 A EP99947456 A EP 99947456A EP 1117882 A1 EP1117882 A1 EP 1117882A1
Authority
EP
European Patent Office
Prior art keywords
screw
tubular extension
thread
washer
fastening element
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
EP99947456A
Other languages
German (de)
English (en)
Other versions
EP1117882B1 (fr
Inventor
Beda Angehrn
Daniel Gasser
Norbert Koeppel
Helmut Oesterle
Werner Patsch
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.)
SFS Group International AG
Original Assignee
SFS Industrie Holding AG
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 SFS Industrie Holding AG filed Critical SFS Industrie Holding AG
Publication of EP1117882A1 publication Critical patent/EP1117882A1/fr
Application granted granted Critical
Publication of EP1117882B1 publication Critical patent/EP1117882B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/36—Connecting; Fastening
    • E04D3/3601—Connecting; Fastening of roof covering supported by the roof structure with interposition of a insulating layer
    • E04D3/3603—Connecting; Fastening of roof covering supported by the roof structure with interposition of a insulating layer the fastening means being screws or nails

Definitions

  • the invention relates to a fastening element for fastening insulation sheets or plates and optionally additional sealing sheets on a solid substructure, consisting of a screw, which is provided with a thread over at least part of the length of its shaft and has a screw head, and a large area Washer with a tubular extension, wherein the extension of the washer has at least over a large portion of its length an internal cross-section which is sufficiently large for rotatable reception and for axial displacement of the screw head and is narrowed at its end region facing away from the washer for the passage of the screw shaft.
  • the invention further relates to a method for fastening insulation sheets or plates and, if appropriate, additional sealing sheets or bituminous sublayers on a solid substructure made of thin concrete, with a fastening element consisting of a screw and a large washer with a tubular extension.
  • the present invention therefore has for its object to provide a fastener and a method of the type mentioned, by means of which using a fastener and a large-area washer with a tubular extension large attachment lengths can be bridged, while still a proper pressing force of the large-area washer on the top waterproofing or insulation sheet is made possible.
  • the outer diameter of the threaded shaft of the screw is larger than the free passage opening of the narrowed area of the tubular extension, so that the screw and the tubular extension are operatively connected in its narrowed area by means of a mutual thread engagement or can be brought into such an operative connection by screwing the screw into the through opening.
  • the washer with the tubular extension can be inserted into a correspondingly prepared bore in the entire structure, a washer with a tubular extension of the existing length being used.
  • the fastener When the fastener is screwed into the substructure, it comes into operative connection with the tubular extension at the same time with a corresponding threaded section, so that a telescopic axial displacement between the fastener and the tubular extension is no longer possible.
  • the fastener and the washer with the tubular extension then form an axially stable fastening element.
  • the washer can be used together with the tubular migen extension - if this seems necessary - still be rotated later, whereby, for example, the contact pressure of the large washer on the top of the insulation or sealing membrane can be increased.
  • the contact pressure can be reduced if the tightening is too tight by turning back the washer and thus the tubular extension.
  • an advantageous embodiment provides that the screw is provided with a thread at least over a large part of the length of the shaft.
  • a large area can be used for a required total length of the fastening element, since the fastener can protrude more or less far into the tubular extension of the washer. It is only important that a threaded area of the fastener is in threaded engagement with the narrowed area at the free end area of the tubular extension. For this reason, it is advantageous for the greatest possible utilization of the length of the fastener and also the length of the tubular extension if the screw is provided with a thread over the entire length of the shaft.
  • the two threaded sections on the shaft of the screw have different diameters, but the same thread pitch.
  • this creates the possibility that, for example, a first threaded section with a smaller diameter does not have to be threaded through the narrowed area of the tubular extension.
  • this means an advantageous measure.
  • the threaded section with the smaller diameter at the free end region of the shaft of the screw is designed as a two-start thread. In such a case, it is then also possible for the two threads to have different external diameters in the case of the two-start thread of the one thread section.
  • Such a constructive design proves to be particularly advantageous when used directly in concrete.
  • a further expedient embodiment provides that, in the case of two threaded sections of different diameters, the through opening at the narrowed area of the tubular extension approximately corresponds to the outer diameter of the section of the shaft with the smaller diameter thread.
  • the tubular extension In the case of the tubular extension, it is provided in a structurally simple manner that the through opening in the narrowed area of the tubular extension is cylindrical. In this way, a thread is practically cut or pressed into a corresponding core hole in the fastener used. In principle, however, it is also conceivable to provide a corresponding threaded bore in the area of the through-opening from the outset, but such a measure entails significantly higher manufacturing costs for the tubular extension.
  • an advantageous further measure of the method is to be seen in the fact that the uppermost edge of the opening formed by the tubular extension in the washer can be brought into operative connection with a drive tool. All that is required is a corresponding friction between the tool and the washer in order to bring about twisting and thus tightening or loosening of the same.
  • FIG. 1 shows a fastening element according to the invention, the large-area washer being shown in section with the tubular extension;
  • Figure 2 shows a section through a roof structure with an inserted fastener.
  • the fastening element 1 is used to fasten insulation sheets 2 and, if appropriate, additional sealing sheets 3 or, for example, additional bituminous sublayers 4 or other substructure materials 5 on a solid substructure 6.
  • the fixed substructure 6, to which the entire structure is ultimately to be attached, is executed as a thin-walled concrete element.
  • the fastening element 1 consists of a large-area washer 7 with a tubular extension 8 and a screw 9.
  • the screw 9 is provided with a screw head 10 and a shaft 11, which is provided with a thread over at least part of its length.
  • the tubular extension 8 has, at least over a large portion of its length, a central recess which has a sufficiently large internal cross section for rotatably receiving and for axially displacing the screw head 10.
  • a narrowed area 12 is embodied, which, however, allows the shaft 11 of the screw 9 to pass through.
  • the shaft 1 1 can not be moved in the axial direction through the narrowed area 12, since the outer diameter DA of the threaded shaft 11 is larger than the free through opening of the narrowed area 12. This creates the possibility that in the narrowed area of the tubular extension has a mutual thread engagement between the screw 9 and the inner wall of the through opening.
  • the screw 9 has a thread at least over a large part of the length of the shaft. To achieve a greater adjustment option between the screw and the tubular extension 8, however, this thread is advantageously guided over the entire length of the shaft 11.
  • two differently shaped threaded sections 13 and 14 are provided on the shaft 11 of the screw 9.
  • Both threaded sections 13 and 14 expediently have different diameters, but the same thread pitch. This prevents an axial relative movement between the screw 9 and the tubular extension 8 already taking place when the screw 9 is set, ie when the screw 9 is screwed into the base 6.
  • the tubular extension 8 and thus also the large-area washer 7 remain in the original starting position until the screw 9 is finally set. Subsequently, however, an additional tightening and pressing of the washer 7 by rotating the same together with the tubular extension is possible.
  • the threaded section 14 with the smaller diameter at the free end region of the shaft 11 is designed as a two-start thread, the two turns having different outside diameters.
  • the two threaded sections 13 and 14 with the different diameter are matched in the proposed embodiment to the through opening at the narrowed area 12 of the tubular extension 8 that the outer diameter of the portion of the shaft 1 1 with the smaller diameter thread approximately the cross section of the through opening on narrowed area 12 corresponds.
  • the first threaded section 14 can simply be pushed through the narrowed area 12, so that only the threaded section 13 engages in the wall of the through opening in the narrowed area 12.
  • the through opening in the narrowed area 12 of the tubular extension 8 is advantageously cylindrical, the thread being produced by the screw to be screwed in or else from the start during the manufacture of the tubular extension 8.
  • Various embodiments are also possible in the area of the through opening in the narrowed area 12. It is conceivable to make the cross section out of round or to provide ribs, elevations, knobs, notches or the like in the area of the wall of the through opening.
  • at least one mutual engagement should take place via the thread of the screw 9 or via a threaded section 13 of the screw 9 with the tubular extension. Only an axial adjustment should be possible by rotating the tubular extension with respect to the screw 9.
  • Fig. 3 shows the first step. So that the hole 15 in roof structures with bituminous layers does not stick to the drilling dust and possible pebbles, a twist drill 16 is used, the drilling advantageously being carried out without impact. The hole 1 5 is made so deep until the free end of the drill comes to rest on the base 6.
  • Fig. 4 illustrates how the hole 18 in the substructure 6 is made with a special boring bar 17.
  • the larger diameter A of the boring bar serves as a support and thus as a stop on the surface of the substructure 6.
  • the large-area washer can be inserted into the prepared bore 15 together with the tubular extension and the screw (FIG. 5).
  • the screw is now screwed in by means of a screw element 20 connected to a torque wrench, which engages in an engagement opening on the head 10 of the screw 9.
  • the screwing in takes place until the threaded section 14 designated in FIG. 1 has generally completely penetrated the substructure 6, i.e. the screw 9 sits on the lower end of the hole 18. Previous pull-out attempts can determine how high the torque is to be able to switch off the torque wrench in good time.
  • the fastener 1 would already be properly set, and the large-area washer is normally firmly against the top of the entire structure to be fastened.
  • the large-area washer 7 does not lie optimally on the uppermost sealing membrane 3, ie the pretension on the uppermost cover of the entire structure is not given or is too low.
  • the present invention entails that by twisting the large washer 7 together with the tubular extension 8 of the extension 8 is pulled in by the threaded engagement with the screw 9 in the axial direction, this rotary movement is carried out until there is sufficient pretensioning and thus support of the large washer 7 on the sealing sheet 3.
  • FIG. 7 shows the situation after the screw 9 has finally been set.
  • a special attachment 21 on the screw element 20, which, for example, as can be seen in FIG. 8, can be pushed into an inserted position.
  • the special attachment 21 has an essentially conical extension 22 which is provided with ribs.
  • the attachment 21 can be pressed a small amount into the outer end region of the tubular extension 8, so that rotation is carried out.
  • the final setting of the fastening element takes place in that the tubular extension 8 moves downward along the threaded section 13, as a result of which the screw itself is guided further into the interior of the tubular extension 8.
  • the large-area washer and the tubular extension are advantageously made in one piece from a plastic material.
  • a plastic material for example, plastic or metal.
  • the screw 9 can also be made from a wide variety of materials, in particular also from stainless material.
  • the screw 9 For attachment to a substructure consisting, for example, of metal or aerated concrete, it is also conceivable to provide the screw 9 with a self-drilling or self-piercing tip.
  • the essential measure according to the invention namely that the tubular extension and the screw 9 are in mutual thread engagement, can be achieved with the most varied design variants of the screw, the tubular extension and the large-area washer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bolts, Nuts, And Washers (AREA)
  • Dowels (AREA)
  • Railway Tracks (AREA)
  • Connection Of Plates (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Installation Of Bus-Bars (AREA)
  • Bridges Or Land Bridges (AREA)
  • Clamps And Clips (AREA)
EP99947456A 1998-10-07 1999-10-04 Element de fixation et procede pour fixer des bandes ou des plaques isolantes sur une base fixe Expired - Lifetime EP1117882B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19846204A DE19846204C2 (de) 1998-10-07 1998-10-07 Befestigungselement sowie Verfahren zum Befestigen von Isolationsbahnen oder -platten auf einem festen Unterbau, insbesondere im Dachbereich von Gebäuden
DE19846204 1998-10-07
PCT/EP1999/007341 WO2000020703A1 (fr) 1998-10-07 1999-10-04 Element de fixation et procede pour fixer des bandes ou des plaques isolantes sur une base fixe

Publications (2)

Publication Number Publication Date
EP1117882A1 true EP1117882A1 (fr) 2001-07-25
EP1117882B1 EP1117882B1 (fr) 2005-02-02

Family

ID=7883707

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99947456A Expired - Lifetime EP1117882B1 (fr) 1998-10-07 1999-10-04 Element de fixation et procede pour fixer des bandes ou des plaques isolantes sur une base fixe

Country Status (9)

Country Link
US (1) US6558098B1 (fr)
EP (1) EP1117882B1 (fr)
AT (1) ATE288525T1 (fr)
AU (1) AU6089199A (fr)
CZ (1) CZ297952B6 (fr)
DE (2) DE19846204C2 (fr)
ES (1) ES2237940T3 (fr)
PL (1) PL200749B1 (fr)
WO (1) WO2000020703A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2366843A1 (fr) 2010-03-16 2011-09-21 SFS intec Holding AG Dispositif et méthode pour fixer du matériau d'isolation

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050193652A1 (en) * 2004-02-24 2005-09-08 Expi-Door Systems Inc. Door jamb assemblies and door assemblies
WO2006019786A1 (fr) * 2004-07-19 2006-02-23 James Murtha Adaptateur de profondeur et doigtier préréglés pour vis et clous lors de l'installation d'une plaque de plâtre
DE102004037171B4 (de) * 2004-07-30 2011-05-19 Harald Zahn Gmbh Montagesystem für die mechanische Befestigung von Dämmstoffen und Abdichtungen auf Flachdächern mit einer tragenden Unterkonstruktion insbesondere aus Beton
US7935122B2 (en) * 2004-12-23 2011-05-03 Arthrocare Corporation Cannula having asymmetrically-shaped threads
DE102008020123A1 (de) 2008-04-22 2009-10-29 Biotronik Crm Patent Ag Ventrikulärer Herzstimulator
DE102008041036A1 (de) 2008-08-06 2010-02-11 Hilti Aktiengesellschaft Nagelförmiges Befestigungselement
US7883307B2 (en) * 2009-02-27 2011-02-08 Illinois Tool Works Inc. Self-drilling fastener
CA2805585C (fr) * 2010-07-20 2016-09-20 Handy & Harman Systeme de fixation d'isolation de toit
US9856651B2 (en) 2011-05-27 2018-01-02 Firestone Building Products Co., LLC Fastening plate assembly
DE102013004392A1 (de) 2013-03-13 2014-09-18 Sfs Intec Holding Ag Tülle und Befestigungselement zum Befestigen einer Materialschicht
EP3128189A1 (fr) * 2015-08-05 2017-02-08 HILTI Aktiengesellschaft Dispositif d'ancrage destiné à fixer un panneau isolant à une structure de bâtiment
RU171444U1 (ru) * 2016-02-09 2017-05-31 Игорь Викторович Прохоров Устройство для крепления
DE102017002709B4 (de) 2017-03-21 2021-06-02 Harald Zahn Gmbh Multifunktionales Setzgerät
FI130490B (fi) * 2020-04-16 2023-10-03 Vilpe Oy Kiinnike, kiinnityssarja ja menetelmä peitekerroksen kiinnittämiseksi vastaanottavaan rakenteeseen

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DE3515734A1 (de) * 1985-05-02 1986-11-06 Dynamit Nobel Ag, 5210 Troisdorf Befestigungsvorrichtung fuer komprimierbare daemmstoffschichten
DE3713686A1 (de) 1987-04-24 1988-11-17 Trurnit Friedrich Gmbh Co Kg Befestigungselement
AT388409B (de) 1987-09-17 1989-06-26 Sfs Stadler Ag Einrichtung zum befestigen von dachbahnen auf weichem isoliermaterial an einer festen unterlage
AT392331B (de) * 1989-06-09 1991-03-11 Sfs Stadler Holding Ag Befestigungselement zur fixierung von isolierbahnen oder -platten auf einem festen unterbau
AT392330B (de) * 1989-07-14 1991-03-11 Sfs Stadler Holding Ag Befestigungselement zur fixierung von isolierbahnen oder -platten auf einem festen unterbau
DE9100658U1 (de) * 1990-01-24 1991-04-11 Itw-Ateco Gmbh, 2000 Norderstedt Schraube zum Befestigen nachgiebiger Materialien an einer vor Gewindebeschädigung gefährdeten Tragschicht
US5217339A (en) * 1992-06-30 1993-06-08 Performance Building Products, Inc. Non-seating plate/fastener assembly
DE4445476A1 (de) * 1994-12-20 1996-06-27 Upat Max Langensiepen Kg Halteelement für die Befestigung von Dämmstoffplatten
DE19544682A1 (de) 1995-11-30 1997-06-05 Henrich Gernot Dipl Ing Längenvariables Befestigungselement
DE29618959U1 (de) * 1996-10-31 1996-12-19 Hardo-Befestigungen GmbH, 79312 Emmendingen Befestigungselement
DE19735276A1 (de) 1997-08-14 1999-02-18 Walter Magass Befestigungsmittel für Dachisolier-Dichtungs- und Dämmaterialien auf Flachdächern
US6308483B1 (en) * 2000-07-07 2001-10-30 Robert L. Romine Roofing fastener assembly

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See references of WO0020703A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2366843A1 (fr) 2010-03-16 2011-09-21 SFS intec Holding AG Dispositif et méthode pour fixer du matériau d'isolation

Also Published As

Publication number Publication date
US6558098B1 (en) 2003-05-06
CZ20011241A3 (cs) 2001-09-12
PL347183A1 (en) 2002-03-25
DE19846204C2 (de) 2001-08-09
ES2237940T3 (es) 2005-08-01
PL200749B1 (pl) 2009-02-27
CZ297952B6 (cs) 2007-05-09
WO2000020703A1 (fr) 2000-04-13
DE19846204A1 (de) 2000-04-27
DE59911560D1 (de) 2005-03-10
EP1117882B1 (fr) 2005-02-02
ATE288525T1 (de) 2005-02-15
AU6089199A (en) 2000-04-26

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