EP0550707A1 - Dispositif et procede pour l'application provisoire de moyens de retenue ou de fixation sur une surface - Google Patents

Dispositif et procede pour l'application provisoire de moyens de retenue ou de fixation sur une surface

Info

Publication number
EP0550707A1
EP0550707A1 EP92910404A EP92910404A EP0550707A1 EP 0550707 A1 EP0550707 A1 EP 0550707A1 EP 92910404 A EP92910404 A EP 92910404A EP 92910404 A EP92910404 A EP 92910404A EP 0550707 A1 EP0550707 A1 EP 0550707A1
Authority
EP
European Patent Office
Prior art keywords
vacuum
holding plate
holding
plastic
sealing
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.)
Withdrawn
Application number
EP92910404A
Other languages
German (de)
English (en)
Inventor
Wilhelm Klein
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.)
Wilhelm Klein GmbH
Original Assignee
Wilhelm Klein GmbH
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 Wilhelm Klein GmbH filed Critical Wilhelm Klein GmbH
Publication of EP0550707A1 publication Critical patent/EP0550707A1/fr
Withdrawn legal-status Critical Current

Links

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
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/24—Scaffolds primarily resting on the ground comprising essentially special base constructions; comprising essentially special ground-engaging parts, e.g. inclined struts, wheels
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
    • E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
    • E01F9/608—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings for guiding, warning or controlling traffic, e.g. delineator posts or milestones
    • E01F9/61—Special features of delineator posts, e.g. with parts cantilevered toward the roadway or fixed vertically on a tilted surface
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
    • E01F9/658—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing
    • E01F9/673—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for holding sign posts or the like
    • E01F9/675—Glued to surface, e.g. road
    • 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
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • 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
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/14—Bracing or strutting arrangements for formwalls; Devices for aligning forms
    • 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
    • E04G21/26—Strutting means for wall parts; Supports or the like, e.g. for holding in position prefabricated walls
    • 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
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
    • E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
    • E04G3/32—Hoisting devices; Safety devices
    • E04G3/325—Safety devices for stabilising the mobile platform, e.g. to avoid it swinging in the wind
    • 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
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
    • 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
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
    • E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B47/00—Suction cups for attaching purposes; Equivalent means using adhesives

Definitions

  • the invention relates to a device and method for the temporary attachment of holding or fastening means to a surface which can have unevenness, use being made of the vacuum principle used in suction attachments.
  • suction attachments are known which have a suction attachment connected to a vacuum pump which is placed on workpieces in order to be used as a load hook. Furthermore, suction attachments are known in connection with drilling devices, these suction attachments serving as device holders (DE 35 01 753, DOS 27 44 463). Out
  • REPLACEMENT LEAF FR-PS 1595 727 a suction cup with a compressible cushion is known, which consists of porous rubber.
  • vacuum holding devices which work with plate-shaped or cup-shaped suction elements which are provided with sealing lips or a sealing ring on their side opposite the workpiece to be picked up, the latter consisting of very soft, elastically deformable material and as a special, separate part formed and connected to the suction element (DE-AS 27 23 16).
  • the object of these known devices is to hold or transport loads and to hold drilling devices.
  • the prerequisite for the correct operation of these devices is that the surface of the loads to be transported is essentially flat, smooth, dense and homogeneous.
  • the suction elements known from DE-AS 27 23 616 and FR-PS 1595.727 can also be used with a not completely flat base, but presuppose that a predetermined vacuum is always maintained.
  • the invention has for its object to provide a vacuum working device for the temporary attachment of holding or fastening means, which can be attached to a surface, which may have unevenness and / or which is inclined, this device even after reduction or elimination of the negative pressure should have a sufficient holding force for a certain time.
  • Such tasks occur continuously in industry, in crafts, but also in the private sector.
  • it is a matter of creating a support for concrete formwork, fixing scaffolding, attaching it to a sloping roof tile or simply holding a freely laid cable at several places at the appropriate height.
  • a device known from FR-PS 15 95 727 which consists of a fitting provided with a vacuum bushing, one side of which carries the holding or fastening means and the other side of which serves for sealing a closed bead made of compressible material is provided.
  • the fitting is designed as a plane-parallel and rigid mounting plate, on the sealing side of which the bead is applied as a plastically deformable sealing compound.
  • This holding plate can have one or more vacuum connections, which are in the plate plane or perpendicular to
  • one or more limiters as spacers in the sealing side of the holding plate, the length of which should expediently be adjustable.
  • existing internal threads made of metal parts can be used in the holding plate. B. serve the inclusion of these spacers.
  • Such internal threads can also be provided on the outside of the holding plate in order to be able to fasten the holding members therein if necessary.
  • sealing side of the holding plate can be provided with a surface structure which leads to an increase in the adhesive forces.
  • This surface can be provided with milled ribs or simply sandblasted.
  • Handle strips should be provided, which make it easier to attach or remove them from a surface. These grip strips or, if necessary, additional cutouts can be used to attach a corresponding tool when dismantling such a holding plate.
  • the plastic polyisobutylene is expediently used as the plastically deformable sealing compound for the holding plate, the properties of which are ideal for the present purpose. This plastic, which is applied, for example, in the form of a bead as a border on the holding plate, can be easily removed from both the uneven surface and the holding plate without leaving any residue. This material is therefore easily reusable and can therefore be used for any number of times
  • Holding plate can be used.
  • it has the property that when the vacuum is created between the holding plate and the surface to which the holding plate is to be attached, the unevenness adjusts itself vacuum-tight.
  • the unevenness adjusts itself vacuum-tight.
  • Adhesion property results from the surprising effect that even after the vacuum existing between it and the uneven surface has been released, the holding plate is retained for a longer period of time, possibly several weeks, even under load. This holding effect can even be permanent.
  • This surprising effect represents a significant advantage both over the known suction attachments mentioned at the outset, which work with sealing lips made of rubber or a rubber-like material, and also over those which, in accordance with FR-PS 15 95 727, are provided with a bead made of compressible, elastic material. If the vacuum is released in these known suction attachments, the object carried by the suction plate suddenly falls off.
  • the invention is also not suggested by DE-OS 3425 853, which is to produce brackets or hooks on a flat wall by creating a vacuum between the bracket and the wall and then injecting sealant.
  • This known holder can only be loaded after the sealing compound has hardened and therefore does not achieve the object on which the invention is based.
  • the plastically deformable sealing compound can be preformed in its profile before it is applied to the holding plate, for which purpose an extruder can be used, for example.
  • This profile can be designed similar to a sealing lip in order to achieve a quick seal.
  • the application of the extruded profile to the holding plate is facilitated by using a guide body which is guided along a groove in the holding plate.
  • the sealing compound is also applied as a closed border in the shape desired in each case to the holding plate. This shape can be chosen so that leaky areas of the substrate are excluded.
  • the amount and cross section of the sealing compound can be adapted to the respective application in order to achieve the desired adhesive force.
  • the sealing compound can be a so-called polar compound (use from -30 * to + 5 * C), standard compound (use from 0 * to + 40 * C) and tropical compound (use from + 15 * to +70 * C) choose.
  • a combination of these masses is for certain uses possible.
  • pressure or suction With the help of pressure or suction, the introduction of liquids or gases of different temperatures is advantageous for the purpose of easier assembly or disassembly.
  • An essential advantage of the device according to the invention resulting from the use of a plastically deformable sealing compound is that it can be attached to an uneven surface in a self-retaining manner - by mechanical pressure - prior to the generation of the vacuum, because a toothing between the sealing compound and the uneven surface occurs.
  • sealing compound which can be deformed on the table also offers the advantage that the vacuum seal of the holding plate can be improved at any time by additional sealing compound if there are still leaks.
  • the use of diluted glue or paste can help to make the surface airtight without having to change the surface.
  • the device consists in providing an additional vacuum container with a sufficient vacuum space between the required vacuum pump and the vacuum line penetrating the holding plate is switched on.
  • This vacuum container which can be cylindrical and can be provided with one or more perforated partitions or circumferential outer ribs in order to maintain its rigidity, maintains the vacuum over a longer period of time even after the vacuum pump has been switched off.
  • This vacuum container should be equipped with a liquid indicator and a drain valve for aspirated liquid.
  • Fig. Lb the mounting plate attached to a masonry
  • FIG. 3 shows the section of a further embodiment of such a holding plate
  • 4 shows a longitudinal section through an additional vacuum container
  • 4a is a longitudinal section through an additional vacuum container of another design
  • FIG. 5 is a plan view of such a vacuum container
  • FIG. 8 and FIG. 9 the application of the invention to a work and / or protective scaffold
  • Fig. 11 shows the application of the invention in an inclined
  • Fig. 12 shows the application of the invention for the establishment of
  • the holding plate 1 is shown, which is to consist of a distortion-free, non-shrinking, non-corrosive and moisture-absorbing plastic which is light in weight.
  • This plastic plate 1 is pressed onto the substrate 7 with the interposition of a plastic sealing compound 5, which has previously been applied to the back of the holding plate 1 along its edges, which has an uneven surface.
  • one or more limiters 3 adjustable in length are passed through the holding plate in a vacuum-tight manner and are supported on the base 7.
  • the holding plate 1 also has bushings for a manometer 4 and a vacuum hose connection 6. Furthermore, the holding or fastening means 2 can be seen on the outside of the holding plate 1.
  • This holding plate has a size of about 30 x 30 cm and a thickness of 3 to 5 cm.
  • the vacuum between the substrate 7 and the holding plate 1 can now only be established and maintained via the vacuum connection 6, in order then to use the holding or fastening means 2 in accordance with their purpose can.
  • a vacuum pump With the help of a vacuum pump, a vacuum of approximately -0.7 or -0.8 bar is generated, which can be read on the manometer 4.
  • FIG. 1 a shows the rear view of the holding plate 1 shown in FIG. 1 with the plastic sealing compound 5 applied to its edge.
  • a strip 5a is drawn into this rear side, which facilitates the application of the plastic compound 5 in the edge region of the holding plate 1.
  • This bar 5a may make it unnecessary to attach the limiter 3.
  • Fig. Lb the attachment of a holding plate 1 to an unplastered masonry is shown. Because the individual, made of airtight material through Air-permeable joints are limited, several closed beads lc made of plastically deformable sealing compound are first applied to the sealing side of the holding plate 1 in order to be able to produce a corresponding number of vacuum spaces after the holding plate 1 has been attached to the masonry 7. For this purpose, the suction openings connected to these vacuum spaces are connected to laterally attached vacuum connections 6a.
  • a holding plate 1 of another design is drawn in cross section and in a front view. Its sealing side is provided with a milled surface 41 or roughened by sandblasting, which contributes to an increase in the adhesive forces.
  • a handle bar 40 can be seen in the cross-sectional illustration according to FIG. 2a, which serves for easier handling of the holding plate.
  • FIG. 3 is another one corresponding to FIG. 2
  • the holding plate consists of two nested plates la and lb, which form separate vacuum spaces with the substrate or the wall 7.
  • the vacuum space between the holding plate la and the wall 7 is limited by the plastic sealing compound 5a, the vacuum space between the holding plate 1b and the wall 7 by the plastic compound 5b.
  • Both vacuum spaces are connected to separate vacuum generators, so that, for example in the event of failure of the vacuum generator assigned to the holding plate la, this holding plate la is still held by the holding plate 1b. 4 and 5, an additional vacuum container 8 is shown, the vacuum of which is connected in series via vacuum lines to the vacuum which has been generated using the devices of the preceding figures.
  • This vacuum container consists of one
  • Plastic tube which is closed on both sides with head plates 9 vacuum-tight. These head plates are in turn sealed with the plastic sealant 12. To maintain buckling stiffness, this plastic tube is provided with one or more perforated partitions 10, which are also held in place by the plastic sealing material. The sealing points are designated by 12, the holes by 11.
  • the head plates 9 of this vacuum container 8 have connections 13 for vacuum lines, and a pressure gauge 14 is also provided in a head plate.
  • FIG. 4a A modified version of such a vacuum container 8a is shown in Fig. 4a.
  • this container 8a is provided with circumferential outer ribs 42.
  • this container is equipped with a display armature 43 for displaying the level of the aspirated liquid and with a liquid valve 44 for releasing the aspirated liquid
  • Such vacuum containers shown in FIGS. 4 and 4a can have heights of 50 cm to 5 m, depending on the application.
  • the vacuum of this container is then sufficient to also evacuate the space between the holding plate and the wall with an uneven surface and thus to press the holding plate firmly against the wall.
  • 6 shows a wall 7, which can be, for example, a shaft wall, a staircase or a container wall, which has an extremely uneven surface.
  • a work platform 15 is now to be attached to this uneven surface.
  • the holding plate 1 which is first covered with the plastic sealant 5 in the manner described above and then pressed onto the wall 7, then the vacuum is generated in the intermediate space via the vacuum connection 6.
  • the holding means consist of a carrier plate 16 placed on the holding plate, into which the squared timber 17 and the wooden planks 18 are placed first.
  • FIG. 7 shows how the invention can be used during assembly as a guide when using prefabricated parts.
  • two holding plates 1 are used, which are fastened on the one hand to the quiver foundation 19 and on the other hand to the prefabricated concrete support 20 and which in turn are connected to a spindle-adjustable straightening support 21.
  • the vacuum spaces below these two holding plates 1 are connected via vacuum hoses 23 to the vacuum container 8, which in turn is connected to the vacuum generator 26 via a vacuum line 27.
  • the vacuum generator 26 is controlled by the vacuum switch 24; the mains connection is marked with 25.
  • 8 shows a brick wall 7 which is provided with a rough plaster 28. On this rough plaster wall, the holding plate 1 is attached, which in turn the
  • the holding plate 1 with the scaffold console 30 and the working surface 29 are a unit which simultaneously carry the vacuum container 8 as well as the vacuum generator 26 and the vacuum switch 24; the vacuum generator 26 is connected to the vacuum duct of the holding plate 1 via the vacuum line 23. This unit can be transported together and can be used in this form at any construction site.
  • FIG. 9 differs from the structure according to FIG. 8 in that a total of two holding plates 1 are provided, which form a structural unit with the scaffold console 30 and the working surface 29 and with the other devices shown.
  • Fig. 11 the application of the invention is explained in a settling tank which has inclined concrete walls on which frame supports are attached with the aid of the holding plates according to the invention should be.
  • the application example according to FIG. 12 involves the installation of traffic signs 36 which are to be attached to an asphalt surface 35 in such a way that they rest firmly on their subsurface.
  • the holding plate 1 according to the invention is used in accordance with the drawing.
  • the vacuum holding plate according to the invention can be used as a cable holding plate, as a workshop part plate, as a clothes holding plate, as
  • Drilling device holding plate as a diamond saw holding plate, as a light source holding plate, as a measuring instrument holding plate, as a film camera and photo holding plate, for exhibitions and trade fairs, as an advertising medium for images, labels or sensors, for antennas and receivers, as a holding plate for wall or ceiling recesses, for sealing against liquids, fresh concrete or fresh mortar.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)

Abstract

L'invention concerne un dispositif pour l'application provisoire de moyens de retenue ou de fixation (2) sur une surface (7), ainsi que le procédé qui s'y rapporte. La surface (7) peut présenter des aspérités et /ou être inclinée. Le dispositif se compose d'une armature munie d'une conduite de vide (6). Un des côtés de cette armature porte les moyens de retenue ou de fixation (2) et l'autre, servant à l'étanchéification, est muni d'un bourrelet fermé, réalisé dans un matériau compressible. Le dispositif fait appel au principe du vide pour les raccords par aspiration. Ce dispositif se caractérise par le fait que l'armature est conçue comme une plaque de retenue (1) à faces planes et parallèles, résistant à la flexion. Sur le côté servant à l'étanchéification, le bourrelet est appliqué sous forme de matériau plastique d'étanchéité (5) apte à la déformation.
EP92910404A 1991-08-05 1992-05-21 Dispositif et procede pour l'application provisoire de moyens de retenue ou de fixation sur une surface Withdrawn EP0550707A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4125889 1991-08-05
DE4125889A DE4125889C1 (fr) 1991-08-05 1991-08-05

Publications (1)

Publication Number Publication Date
EP0550707A1 true EP0550707A1 (fr) 1993-07-14

Family

ID=6437724

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92910404A Withdrawn EP0550707A1 (fr) 1991-08-05 1992-05-21 Dispositif et procede pour l'application provisoire de moyens de retenue ou de fixation sur une surface

Country Status (5)

Country Link
US (1) US5429333A (fr)
EP (1) EP0550707A1 (fr)
JP (1) JPH06501301A (fr)
DE (1) DE4125889C1 (fr)
WO (1) WO1993003286A1 (fr)

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DE10239196B3 (de) * 2002-08-21 2004-03-18 Petra Hoormann Verfahren zum zerstörungsfreien Heraustrennen fest verklebter Fliesen sowie geführte elektrische Kreissäge zur Durchführung des Verfahrens
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DE102012019767B4 (de) * 2012-10-09 2015-02-19 Bernhard Olliges Vorrichtung zum Trocknen von Feuchtigkeitsschäden
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Title
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US5429333A (en) 1995-07-04
DE4125889C1 (fr) 1992-10-01
WO1993003286A1 (fr) 1993-02-18
JPH06501301A (ja) 1994-02-10

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