• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A screw fixing device for a structural member of agglomerated material, e.g. of plaster or concrete, comprising a member for accomodating the screw integrated to said structural member at the moment of manufacturing the latter, characterized in that said member is constituted by an anchoring sheath of plastic material, adapted to insulate the screw completely from the remaining portions of said member.
    公开号:SU728726A3
    申请号:SU762362106
    申请日:1976-05-27
    公开日:1980-04-15
    发明作者:Ванотти Ги
    申请人:Этаблиссеман Вап (Фирма)；
    IPC主号:
    专利说明:

    The invention relates to construction and can be used as screw embedded fasteners in structural elements from concrete, gypsum, etc. b
    A screw device for fixing in a structural element, for example concrete, is known, consisting of a rod, a bursting sleeve and a bursting part with an internal thread [11.10
    The known device is difficult to manufacture, assemble and disassemble. In addition, the device is not protected against corrosion. fifteen
    In terms of technical nature and the achieved result, the closest to the invention is a device for fixing in a structural element, mainly made of concrete or gip-ED sa, including a plastic sleeve anchored in the element and a screw included in it [2].
    The operational reliability of the known device is insufficient due to the 25 possible destruction of staining and surrounding concrete or gypsum during thermal deformations.
    The purpose of the invention * is to increase the operational reliability of the device. . thirty
    This goal is achieved by the fact that in the proposed device for fixing in a structural element, mainly of concrete and gypsum, including a plastic sleeve anchored in the element and a screw included in it, the sleeve is made of two concentrically arranged mates with a guaranteed compensation gap and mutually locked in the longitudinal direction parts, while the inside is rigidly bonded to the threaded surface of the screw. '
    The longitudinal locking of the inner and outer parts of the sleeve can be carried out by screw cutting their mating surfaces, and the inner and outer parts of the sleeve can be made respectively with a locking protrusion and a recess under it.
    In FIG. 1 shows the described device, 'longitudinal axial' section; in FIG. 2 - the same top view (without nut); in FIG. 3 - a fragment of a screw with a shell and a compensation gap,
    The fixing device consists of a screw 1, the lower threaded part 2 of which is enclosed in a plastic sleeve 3, anchored in a structural element, for example, in a reinforced concrete scale. 4, in the process of its manufacture.
    The protruding threaded end 5 of the screw 1 is designed to screw on the nut 6. Sleeve. 3 - consists of two parts - inner 7 and outer 8, co-p g mated together with a guaranteed compensation gap 9.
    In this design, the internal engagement of parts 7 and 8 of the sleeve 3 is carried out by screw cutting and clamps 10, consisting of protrusions and ιυ recesses.
    A method of manufacturing a two-part sleeve consists of casting the first outer part 8, installing the screw 1 in the outer part, in reducing this outer-15 part, for example, by significant reduction in the casting mold, into which the inner part 7 is then poured onto the screw the sleeves in the temporarily clamped outer part 8. The anti-sticking composition 20 at etcm can be applied to the inner wall of the outer part 8. The kit thus obtained can be fully incorporated into the concrete sleepers when it is molded> 25 · 25. If necessary, the screw 1 with a part of the sleeve 7 can be turned out, while the protrusions of the latch 10 will be cut off. ·
    EFFECT: invention makes it possible to increase operational reliability and long-lasting eternity of fastenings to structural elements made of concrete, gypsum or other similar materials.
    权利要求:
    Claims (2)
    [1]
    Noah scale 4, in the process of its manufacture. The protrusions of the threaded end 5 of the screw 1 are intended for screwing in the nut 6. The sleeve 3 consists of two parts, the internal 7 and the external 8, which are attached to each other with a guaranteed compensation gap 9. In this version, the internal part is attached to the parts 7 and 8 of the sleeve 3 This is accomplished by threading the screws and fixtures 10, which consist of protrusions and recesses. The method of manufacturing a two-part sleeve consists of casting the first external part 8, installing screw 1 in the external part, to reduce this external part, for example, by means of significant reduction in the mold for which the internal part 7 of the sleeve is poured onto the screw. temporarily clamped outer part 8. The anti-sticking composition at aesm can be applied on the inner wall outwardly of part 8. The kit obtained in this way can be fully incorporated into the concrete sleeper during its shaping. If necessary, the screw 1 with part of the sleeve 7 can be reversed, and the protrusions of the latch 10 will be cut off. The invention allows to increase the operational reliability and durability of fastenings to structural elements made of concrete, gypsum or other similar materials. Claim 1. Device for fastening in a structural element, mainly of concrete or gypsum, comprising an anchor plastic sleeve anchored in the element and a screw included therein, characterized in that, in order to increase operational reliability, the sleeve is made of two concentrically arranged in conjunction with a guaranteed compensatory gap and mutually locked in the longitudinal direction of the parts, while the inner part is rigidly fastened to the threaded surface of the screw. 2. The device according to claim 1, characterized in that the longitudinal locking of the inner and outer parts of the sleeve is carried out by screw-cutting of their mating surfaces. 3. The device according to paragraphs. 1 and 2, characterized in that the inner and outer parts of the sleeve are made respectively with a locking protrusion and a recess under it. Sources of information taken into account in the examination 1. For France of France 2233519, cl. E 04 B 1/38, published. 14.02.75.
    [2]
    2. The patent of England No. 1394796, cl. F 2 N, pub. 05/21/75 (prototype).
    类似技术:
    公开号 | 公开日 | 专利标题
    SU728726A3|1980-04-15|Device for securing in structure element
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    JP2516014Y2|1996-11-06|Construction insert
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    JPH055327A|1993-01-14|End part connection structure between members made of precast concrete and end part connecting method
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    同族专利:
    公开号 | 公开日
    FR2315568B1|1982-02-12|
    ZA763675B|1977-05-25|
    ES221908U|1977-03-01|
    GB1553593A|1979-09-26|
    CH598413A5|1978-04-28|
    ES221908Y|1986-06-01|
    MX142877A|1981-01-13|
    AR208376A1|1976-12-20|
    US4085652A|1978-04-25|
    AU1515576A|1978-01-05|
    BR7600030A|1977-08-02|
    PL108350B1|1980-04-30|
    JPS5942163B2|1984-10-13|
    CA1043081A|1978-11-28|
    DE2627746C2|1988-02-04|
    DE2627746A1|1977-01-13|
    JPS524959A|1977-01-14|
    FR2315568A1|1977-01-21|
    AU503382B2|1979-08-30|
    引用文献:
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    DE908531C|1947-04-24|1954-04-08|Anton Komoly|Expanding dowel|
    US2718485A|1953-07-21|1955-09-20|Paul P Heinley|Method of bonding mechanical elements|
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    US3313078A|1964-03-30|1967-04-11|Frederick W Rohe|Molded-in insert with floating nut|
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    NO122624B|1967-07-29|1971-07-19|Fischer Artur|
    ES371809A1|1968-09-27|1972-10-16|Terrasan Erzeugnisse|Procedure for the fixing of screws or nails, especially tirafondos or escarpias de carril. |
    US3621557A|1969-06-06|1971-11-23|Rex Chainbelt Inc|Insert for sandwich panels and method of installation|
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    CA981567A|1972-03-28|1976-01-13|Illinois Tool Works Inc.|Stud anchor|
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    JPH0522091B2|1985-06-03|1993-03-26|Mitsuboshi Belting Ltd|JPS50104997A|1974-01-23|1975-08-19|
    FR2425014B2|1975-06-25|1984-02-10|Vape Sa Ets|
    DE2550787A1|1975-11-12|1977-05-18|Behrens Friedrich Joh|FASTENERS|
    CH612586A5|1977-05-23|1979-08-15|Sulzer Ag|
    US4150757A|1978-01-23|1979-04-24|International Business Machines Corporation|Plural document stacking and subsequent selective stack transporting apparatus|
    CH630686A5|1978-03-03|1982-06-30|Julius Murbach|DOWEL FOR FASTENING A SCREW ELEMENT IN A HOLE OF A COMPONENT.|
    US4179977A|1978-04-14|1979-12-25|Trw Inc.|Encapsulated fastener|
    GR65667B|1978-10-17|1980-10-16|Fischer Artur|Anchoring of one element of fastening by contagions mass|
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    DE4407351C2|1994-03-05|2002-10-10|Toge Duebel A Gerhard Kg|Fastening device for concrete or brick, in particular lattice brick|
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    EP0785308B1|1996-01-17|2003-04-23|Vossloh-Werke GmbH|Helicoidal plastic sleeve|
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    US6350093B1|2000-10-02|2002-02-26|Cxt Incorporated|Electrically insulated threaded fastener anchor|
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    ES2283235B1|2007-04-04|2009-03-01|Mondragon Soluciones, S.L.U.|SHEATH FOR RAIL RAIL FASTENINGS, PROCEDURE FOR REPLACING SUCH SHEATH ON A CROSS AND TOOLS TO EXECUTE SUCH PROCEDURE.|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    FR7519908A|FR2315568B1|1975-06-25|1975-06-25|
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