Plug with Fixing Element and Sleeve

{
  "publication_number": "US2011110743A1",
  "country": "US",
  "kind": "A1",
  "title": "Plug with Fixing Element and Sleeve",
  "abstract": "The invention relates to a fixing device for anchoring in a building material, comprising a fixing element with an axial conical anchoring region and a fixing region and a radially flexible clamping sleeve which may be clamped between the anchoring region and the building material. The invention further relates to a method for anchoring the fixing device.",
  "claims": [
    "1. Fixing device to be anchored in a building material, having a fixing element comprising an axial conical anchoring region and a fixing region, and a radially flexible clamping sleeve which can be clamped between the anchoring region and the building material. 2. Fixing device according to claim 1, wherein the dimensioning of the anchoring region and the clamping sleeve are matched such that the clamping sleeve can be radially expanded through the anchoring region for clamping. 3. Fixing device according to claim 1, wherein the inner surface of the clamping sleeve can be brought into flat contact with the outer surface of the conical anchoring region. 4. Fixing device according to claim 1, wherein the inner surface of the clamping sleeve has a conical design, preferably with an angle which corresponds to that of the conical anchoring region. 5. Fixing device according to claim 1, wherein the clamping sleeve comprises a longitudinal slot. 6. Fixing device according to claim 1, wherein the material of the clamping sleeve comprises plastics, in particular rigid PVC, or metal, in particular brass. 7. Fixing device according to claim 1, wherein the fixing region comprises a thread, in particular a threaded bolt, and/or a spherical cap, in particular a calotte shell, and/or a hook and/or an eye and/or a magnet and/or a bayonet and/or an adherend. 8. Fixing device according to claim 1, wherein the fixing element comprises metal, preferably machining steel. 9. Fixing device according to claim 1, wherein the conical anchoring region tapers towards the fixing region. 10. Fixing device according to claim 1, furthermore comprising a cover kali for covering the fixing element. 11. Fixing device according to claim 10, wherein the cover can be screwed onto a thread of the fixing element, preferably such that the cover is flush with a surface of the building material. 12. Fixing device according to claim 1, wherein the clamping sleeve and its outer surface comprises conical barbs. 13. Method for anchoring a fixing device according to claim 1 in a building material, comprising the following steps: introducing the fixing element into an anchoring hole, in particular into a drilled hole, in the building material, the conical anchoring region tapering towards the open side of the anchoring hole, clamping the clamping sleeve between the anchoring region and the building material. 14. Method according to claim 13, wherein the clamping of the clamping sleeve is effected by an instantaneous application of force onto the clamping sleeve, in particular by hitting in the axial direction onto a drive-in adapter mounted on the clamping sleeve, whereby the clamping sleeve slides over the axial conical anchoring region and the latter radially expands the clamping sleeve and clamps it between the anchoring region and the building material."
  ],
  "description_excerpt": "The invention relates to a fixing device for anchoring in a building material as well as a method for anchoring the fixing device.\n\nCommercially available plugs in very diverse variations, made of plastics or metal, with or without sleeve, have some disadvantages. The plastic plugs have a relatively wide range of pull-out values and here depend much, among other things, on the tolerances of the diameter of the fixing hole and on the size, and possibly also on the penetration depth of the selected fixing screw. Under unfavorable conditions, the minimum toughness can considerably drop. Furthermore, plug-like devices for fixing objects at brickworks are known which are provided in particular for retaining external cladding and the like. It comprises a long stretched-out, tubular, longitudinally slotted sleeve as well as a fixing screw for the same. After the fixing screw has been tightened, an annular fixing zone comparably narrow in the axial direction forms at the inner end of the long stretched-out expanding sleeve. The time required for the screwing-in operation is very long in particular as of a diameter of about 10 mm as a relatively large number of rotations must be performed at the fixing screw.\n\nIn view of the disadvantages of prior art, the object underlying the invention is to provide a fixing device or a plug, respectively, which overcomes the above-mentioned disadvantages and in particular permits a quick and stable anchoring of the fixing device.",
  "cpc": [
    "F16B 13/0858"
  ],
  "ipc": [
    "F16B 13/10"
  ],
  "assignees": [
    "HEIMER DIETMAR"
  ],
  "inventors": [
    "HEIMER DIETMAR"
  ],
  "filing_date": "2009-04-23",
  "publication_date": "2011-05-12",
  "priority_date": "2008-04-23",
  "application_number": "US-98878209-A",
  "family_id": "39745464",
  "citations": [
    "US3605548A",
    "US4371300A",
    "US4861198A",
    "US4884931A",
    "US688756A",
    "US688758A",
    "US777399A"
  ]
}