EP0001095A2 - Dispositif d'ancrage et/ou de liaison pour éléments en béton ou en matérian similaire - Google Patents

Dispositif d'ancrage et/ou de liaison pour éléments en béton ou en matérian similaire Download PDF

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Publication number
EP0001095A2
EP0001095A2 EP78100797A EP78100797A EP0001095A2 EP 0001095 A2 EP0001095 A2 EP 0001095A2 EP 78100797 A EP78100797 A EP 78100797A EP 78100797 A EP78100797 A EP 78100797A EP 0001095 A2 EP0001095 A2 EP 0001095A2
Authority
EP
European Patent Office
Prior art keywords
anchor
anchoring
friction welding
bolt
sleeve
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
EP78100797A
Other languages
German (de)
English (en)
Other versions
EP0001095A3 (en
EP0001095B1 (fr
Inventor
Reinhold Michel
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.)
Individual
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
Application filed by Individual filed Critical Individual
Publication of EP0001095A2 publication Critical patent/EP0001095A2/fr
Publication of EP0001095A3 publication Critical patent/EP0001095A3/xx
Application granted granted Critical
Publication of EP0001095B1 publication Critical patent/EP0001095B1/fr
Expired 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
    • E04G21/14—Conveying or assembling building elements
    • E04G21/142—Means in or on the elements for connecting same to handling apparatus
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
    • E04B1/4114—Elements with sockets
    • E04B1/4121—Elements with sockets with internal threads or non-adjustable captive nuts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
    • E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head

Definitions

  • the invention relates to an anchor and / or connecting device, in particular for concrete part or the like, which comprises a connecting part and an anchoring part.
  • the anchoring part has the task of improving the hold of the device in the concrete part, while the connecting part is accessible on the outside of the concrete part and can be connected to a lifting tool or a connector.
  • the connection with a lifting tool is selected when transporting the concrete part, while the connector is used to create a connection between two concrete parts on site.
  • the device consisting of the connecting part and the anchoring part remains embedded in the concrete part. The device is therefore a mass product which is to be manufactured very cheaply and yet has to have a sufficient load-bearing capacity.
  • connection part is exposed at least in the region of its end face on the concrete part. If the device is used to connect concrete parts, this area is exposed to atmospheric influences.
  • the cheap concrete and structural steels fail for such a device and it is necessary to switch to stainless steels or refined surfaces. These stainless steels or refined parts are, however, considerably more expensive and therefore involve a very considerable increase in the cost of such a device. This configuration is unsatisfactory, especially when the majority of the device is embedded in the concrete part.
  • the connecting part and the anchoring part are formed from different metals and / or with different surfaces as separate parts which are firmly and permanently connected to one another by means of friction welding.
  • the division of the device into two parts and their welding by friction result in starting parts for the device which can be produced quickly and cheaply and can be connected to one another firmly and inextricably without tension fields, ie without impairing the load-bearing capacity.
  • the rub Welding is a work process that is easy to control and can be carried out much faster than normal welding.
  • the subdivision of the device into a connecting part and an anchoring part allows an optimal material adaptation.
  • the connecting part consists of stainless steel or with a refined surface and the anchoring part consists of concrete or structural steel with an unprocessed surface.
  • This design is sufficient, since only the connector is exposed to atmospheric influences. As a result, considerable cost savings can be achieved by reducing the proportion of stainless steel or refined material.
  • the anchoring part of the device embedded in the concrete part can be made of cheap concrete or structural steel.
  • anchor and / or connecting devices the parts of which are made of different materials, can also be produced in this way.
  • a particularly simple embodiment of the new device is characterized in that the connecting part is designed as a bolt with a threaded part and that the bolt-free end is connected to an anchor plate as an anchoring part by means of friction welding.
  • the bolt with the threaded part can be produced cheaply in known operations, the anchor plate being able to have a rectangular, square or round cross section.
  • the friction welding is carried out simply in that one part, for example the bolt, rests under pressure on the other part, for example the anchor plate, and is set into rapid rotary movements. To With sufficient heating, the rotary movement is terminated and the parts are pressed against one another while increasing the pressure.
  • the cost of materials for expensive stainless steel or refined metal can be reduced even more in such an anchor and / or connecting device in that the threaded part itself is connected as a separate part by means of friction welding to a bolt by means of friction welding.
  • the threaded part remains partially free in this device and is used to connect a lifting tool or a connector with a threaded hole.
  • only the threaded part still has to be made of noble metal or must be provided with a refined surface alone. All other parts can be made of cheap structural or reinforcing steel.
  • the device can also be designed such that the connecting part is designed as a bolt with an upset, enlarged cross-section joint part and that the bolt is connected at its other end by means of friction welding to an anchor plate as an anchoring part.
  • the joint part is exposed in the concrete part and is used to link a joint counterpart, preferably a lifting tool.
  • the device according to the invention is designed so that the connecting part is designed as a sleeve which is provided with an internal thread on at least one side and at the other end by means of friction welding is closed with an anchor plate as an anchoring part.
  • the material expenditure of stainless steel can be reduced to a minimum by connecting the sleeve without internal thread by means of friction welding to a separate threaded sleeve.
  • connection part is designed as a pot-like sleeve with a blind bore and internal thread, and that at least one bolt is attached to the bottom of this pot-like sleeve by means of friction welding, the free end of which being compressed is enlarged in cross section.
  • the pot-like sleeve can then be produced from a section of a round material in normal operations. In this case, a cheap bolt with an upset head is used as the anchoring part, which is quickly connected to the sleeve without affecting the strength.
  • the anchor and / or connection device can also be designed for even greater load capacities.
  • the connecting part is designed as a fastening plate, at the rear of which at least one bolt is attached as an anchoring part by means of friction welding and that the free end of this bolt is enlarged by upsetting or is connected to an anchor plate by means of friction welding. Beams, struts or the like can then be welded to the fastening plate, which is preferably embedded flush with the top of the concrete part.
  • This welding process on site can be dispensed with if the design is such that the connecting part is designed as a mounting plate with bores and that a sleeve with an internal thread or a pot-like sleeve with a blind bore and an internal thread is attached to the rear of each bore by means of friction welding is.
  • the supports, struts or the like can then be screwed directly to the anchor and / or connecting device.
  • the sleeve can be closed at the free end by means of friction welding with an anchor plate.
  • at least one bolt with an upset, enlarged end with a cross section is attached to the bottom of the sleeve as an anchoring part by means of friction welding.
  • several bolts can also be attached to a sleeve with a large cross-section in this way.
  • a common anchor plate can then be provided for all bolts.
  • the hold of the anchoring part in the concrete part can be significantly improved in such a composite anchor and / or connecting device in that the bolt or sleeve is provided with an external thread.
  • This additional external thread can be applied without any significant manufacturing effort in the manufacture of the anchoring part.
  • a section of a threaded rod can also be used as the anchoring part.
  • an anchor device is advantageous, which is characterized in that the An closing part is designed as a ball.
  • This ball as a connecting part provides an excellent articulated connection between the anchor device and the lifting tool.
  • the upset end of the anchoring part can also be designed such that the free end of the bolt or the sleeve is provided with mushroom-like upsets. These mushroom-like upsets provide a large additional abutment surface for the anchoring part.
  • connection part commercially available parts can also be used if, according to a further embodiment, it is provided that the connection part is designed as a nut with a thread length which corresponds to at least 1.5 times the thread diameter.
  • anchoring parts can be produced from commercially available parts in a simple manner if the design of the anchor and / or connecting device is selected such that a section of a threaded rod is used as an anchoring part, which is connected to the nut by means of friction welding.
  • the ends of two anchoring parts are firmly and permanently connected to one another by means of friction welding to form a double anchor and that the remaining ends of the anchoring parts are each connected to a connecting part.
  • the connection point of the two anchoring parts of the double anchor then forms a kind of water barrier.
  • a double anchor for connecting a lifting tool with a threaded part is characterized in that two sections of a threaded rod are connected to one another as anchoring parts of a double anchor and that nuts with an enlarged thread length are screwed onto the free ends of the double anchor as connecting parts.
  • the nuts cannot be turned, e.g. fixed by caulking, welding or the like. Non-rotatably on the double anchor.
  • the device according to FIG. 1 consists of a bolt 10 which has been cut to length from a round material.
  • One end of this bolt is provided with a threaded part 11 in a known manner.
  • the other end of the bolt 10 is firmly and permanently connected to the anchor plate 20 by means of friction welding, as the welding area 30 indicates. This area extends over limited zones, so that during this heating and welding there are no stress fields in the material which could impair the strength of the device. This is particularly important when carbon-rich reinforcing steel or structural steel is used as the starting material.
  • the bolt 10 can be made of stainless steel and connected to a cheap anchor plate 20 made of concrete or structural steel.
  • This anchor plate 20 in a rectangular, square or round cross section is a simple and inexpensive to produce stamped part.
  • the threaded part 11 receives a lifting tool or a mating connector, which are provided with a corresponding threaded hole.
  • the connecting part for the lifting tool or the connector can also be designed as a sleeve 12, which is closed on one side with the anchor plate 20 by means of friction welding.
  • the free end is provided with an internal thread 13 which extends at least over part of the length of the sleeve 12.
  • the welding area 30 extends only over limited zones of the sleeve 12 and the anchor plate 20.
  • FIGS. 3 and 4 show, the expenditure of stainless steel can be considerably reduced in the devices of FIGS. 1 and 2, and the device can be made cheaper accordingly, in that the bolt 10 as a threadless section by means of a welding area 31 produced by friction welding with a separated threaded part 11 is connected or that the sleeve 12 is connected as a pipe section to a section of a threaded sleeve 13 by means of friction welding.
  • the free end of the bolt 10 is formed by upsetting into a head which is enlarged in cross section and which can serve as a joint part 14 for a joint counterpart of a lifting tool.
  • the sleeve 12 in the device according to FIG. 6 is made from a full section of a round material. After the blind bore 15 has been introduced, the internal thread 13 is introduced. At the bottom 16 of the sleeve 12, a bolt 10 with an upset head 14 can be attached as an anchoring part by means of friction welding, as the welding area 30 shows. If the surface of the bottom 16 of the sleeve 12 is sufficiently large, then a plurality of bolts can be attached in the same way by means of friction welding. These bolts 10 can be connected to a common anchor plate, these connections also being produced by friction welding.
  • a fastening plate 40 is used as the connecting part, on the rear side of which a plurality of bolts 10 are attached as anchoring parts.
  • the Bol Zen 10 are attached to the mounting plate 40 by means of friction welding, as the welding areas 31 show.
  • the free ends of the bolts 10 can be connected to individual or a common anchor plate 20, as the welding area 30 shows.
  • the free ends of the bolts 10 can also only be upset and form enlarged heads 14.
  • Carriers, struts or the like can be welded onto the upper side of the fastening plate 40.
  • the fastening plate 40 can also have bores 41 and 42.
  • a sleeve 12 is attached to the back of the fastening plate 40 by means of friction welding, as the welding areas 31 indicate.
  • the sleeve 12 can be partially provided with an internal thread 13, as shown in the left part of the drawing. A threaded part of a screw or the like can be screwed directly into this internal thread 13 through the bore 41 of the fastening plate 40.
  • the sleeve 12 is closed by the anchor plate 20, which is also attached by friction welding, as the welding area 30 indicates.
  • the sleeve 12 can also be cup-shaped, as shown in the right part of the drawing. A threaded part of a screw or the like can be screwed directly into the internal thread 13 through the bore 42 of the fastening plate 40.
  • a bolt 10 with an upset head 14 is attached as an anchoring part, namely by means of friction welding, as is indicated with the welding area 30.
  • the bolt 10 can also be closed with an anchor plate 20.
  • the bolt 10 and this anchor plate 20 are connected to one another again by means of friction welding.
  • a plurality of bolts 10 with individual anchor plates or a common anchor plate can also be attached to the bottom 16 of the sleeve 12.
  • an anchor device for a lifting tool with claws can also consist of a ball 17 with a welded-on bolt 10.
  • the ball 17 provides an excellent articulated connection between the lifting tool and the anchor device.
  • the ball 17 is connected to the bolt 10 by means of friction welding, as the weld seam 30 indicates.
  • the bolt 10 is provided on its outside with a coarse thread 18, which improves the anchoring of this anchoring part in the concrete part.
  • the anchor and / or connecting device shown in FIG. 10 uses a section 22 of a threaded rod as an anchoring part, which is connected by means of friction welding to a nut 21 as a connecting part, as can be seen in the weld seam 30.
  • This nut 22 has a thread length which corresponds to at least 1.5 times the thread diameter in order to achieve sufficient load capacity.
  • a threaded sleeve 21 is used as a connecting part by means of friction welding Weld 30 - connected to a sleeve 12.
  • the sleeve 12 can have a mushroom-like upsetting 23 at the free end.
  • the sleeve 12 is heated by friction at both ends in one operation, for example, and then connected to the threaded sleeve 21 via the weld seam 30. At the same time, the other end of the sleeve 12 can be compressed.
  • FIG. 12 shows an anchor and / or connecting device designed as a double anchor.
  • the two sections 22 and 22 'of a threaded rod are connected to one another by means of friction welding, the weld seam 30 forming a type of water barrier.
  • the larger anchoring part can consist of cheap structural or reinforcing steel or can be provided with an unfinished surface.
  • the connection of the parts by friction welding is quick and cheap to produce and does not have the disadvantages of known welded connections.
  • the anchoring can be improved further by that the pot-like sleeve is heated by friction at the closed end and enlarged in cross-section by upsetting. This results in an enlarged anchoring flange to which the bolt with the compressed free end is then attached by means of friction welding.
  • the joint part 14 can be designed in various forms. This is determined solely by the shape of the upsetting tool.
  • This hinge part 14 can e.g. as a ball, as a truncated cone, as a mushroom or as a hexagon nut or the like.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)
EP19780100797 1977-09-05 1978-08-31 Dispositif d'ancrage et/ou de liaison pour éléments en béton ou en matérian similaire Expired EP0001095B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19772739879 DE2739879A1 (de) 1977-09-05 1977-09-05 Anker- und/oder verbindungsvorrichtung, insbesondere fuer betonteil o.dgl.
DE2739879 1977-09-05

Publications (3)

Publication Number Publication Date
EP0001095A2 true EP0001095A2 (fr) 1979-03-21
EP0001095A3 EP0001095A3 (en) 1979-04-04
EP0001095B1 EP0001095B1 (fr) 1980-12-10

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ID=6018119

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19780100797 Expired EP0001095B1 (fr) 1977-09-05 1978-08-31 Dispositif d'ancrage et/ou de liaison pour éléments en béton ou en matérian similaire

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EP (1) EP0001095B1 (fr)
DE (1) DE2739879A1 (fr)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0019922A1 (fr) * 1979-06-05 1980-12-10 Heinz G. Riss Dispositif d'ancrage et de manutention à pied élargi et tête de levage
EP0039931A3 (en) * 1980-05-09 1981-12-30 Bausysteme Vertriebsgesellschaft Mbh Kaiser-Omnia Permanent form element as part of a concrete floor, method of producing a concrete slab for this formwork and anchoring device therefor
DE3107506A1 (de) * 1981-02-27 1982-09-16 Kraftwerk Union AG, 4330 Mülheim Verankerungselement
EP0158944A3 (fr) * 1984-04-14 1987-04-22 Deha Baubedarf GmbH & Co. KG Ancre de transport pour élinguer des éléments préfabriqués en béton armé à des engins de levage
EP0211256A3 (en) * 1985-07-27 1987-10-28 Siegfried Fricker Anchor for embedding large loads in concrete
FR2633959A1 (fr) * 1988-07-11 1990-01-12 Arteon Marcel Piece d'ancrage, notamment pour beton
EP0400588A1 (fr) * 1989-05-31 1990-12-05 Deutsche Kahneisen Gesellschaft West Gmbh Dispositif d'ancrage boutonné
JPH0375201U (fr) * 1989-11-27 1991-07-29
FR2676080A1 (fr) * 1991-04-30 1992-11-06 Arteon Marcel Ancrage notamment pour panneau de beton arme.
EP1469143A1 (fr) * 2003-04-14 2004-10-20 Gebr. Philipp GmbH Manchon d'ancrage
WO2013094780A1 (fr) * 2011-12-19 2013-06-27 (주)세종알앤디 Canal d'ancrage du type à soudage de plaques et procédé de fabrication de ce dernier
CN103437430A (zh) * 2013-07-18 2013-12-11 杭州博数土木工程技术有限公司 外平内搭板螺柱焊波形钢板连接结构及施工工艺
EP2685019A1 (fr) * 2012-07-13 2014-01-15 Gerhard Krummel Elément de liaison entre deux composants en béton
GB2535486A (en) * 2015-02-17 2016-08-24 William Haley Eng Ltd Embedment plates
WO2019158515A1 (fr) * 2018-02-13 2019-08-22 PreConTech International GmbH Ancrage pour éléments préfabriqués en béton
WO2020051218A1 (fr) 2018-09-04 2020-03-12 Nill Lance Ensemble ancrage et fixation combinés spécialement destiné à des structures en béton et procédé mettant en oeuvre ledit ensemble
US11927016B2 (en) 2017-12-22 2024-03-12 Ln1 Inc. Combined anchor and fastener assembly especially intended for concrete structures and method employing same

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3338762A1 (de) * 1983-10-26 1985-05-09 Winfried Dipl.-Ing. 6365 Rosbach Schnabel Verankerungen von stahlbauteilen durch schraubverbindungen im beton
DE3415207C2 (de) * 1984-04-21 1987-04-30 Siegfried 7135 Wiernsheim Fricker Verfahren zur Herstellung einer Stützschraube
CN103982506B (zh) * 2014-05-16 2016-06-08 深圳大学 一种有效提高焊接质量兼延性破坏特征的栓钉剪力键

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH260503A (de) * 1948-06-14 1949-03-31 Wehinger Franz Hülsendübel zum Einmauern.
US2829514A (en) * 1955-12-13 1958-04-08 Eldon R Maclean Hollow masonry block-attaching device
US3216157A (en) * 1961-06-28 1965-11-09 George S Pinter Concrete structure and process for making same
DE1801457C3 (de) * 1968-10-05 1974-06-27 Juergen 7800 Freiburg Goldberg Einrichtung zum Heben und Transportieren von Betonfertigteilen od.dgl
US3878659A (en) * 1972-07-08 1975-04-22 Hermann Pfeifer Fitting for pre-cast concrete bodies

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0019922A1 (fr) * 1979-06-05 1980-12-10 Heinz G. Riss Dispositif d'ancrage et de manutention à pied élargi et tête de levage
EP0039931A3 (en) * 1980-05-09 1981-12-30 Bausysteme Vertriebsgesellschaft Mbh Kaiser-Omnia Permanent form element as part of a concrete floor, method of producing a concrete slab for this formwork and anchoring device therefor
DE3107506A1 (de) * 1981-02-27 1982-09-16 Kraftwerk Union AG, 4330 Mülheim Verankerungselement
EP0158944A3 (fr) * 1984-04-14 1987-04-22 Deha Baubedarf GmbH & Co. KG Ancre de transport pour élinguer des éléments préfabriqués en béton armé à des engins de levage
EP0211256A3 (en) * 1985-07-27 1987-10-28 Siegfried Fricker Anchor for embedding large loads in concrete
FR2633959A1 (fr) * 1988-07-11 1990-01-12 Arteon Marcel Piece d'ancrage, notamment pour beton
WO1990000658A1 (fr) * 1988-07-11 1990-01-25 Marcel Arteon Piece d'ancrage notamment pour beton
US5469675A (en) * 1988-07-11 1995-11-28 Arteon; Marcel Anchoring piece, in particular for concrete
EP0400588A1 (fr) * 1989-05-31 1990-12-05 Deutsche Kahneisen Gesellschaft West Gmbh Dispositif d'ancrage boutonné
JPH0375201U (fr) * 1989-11-27 1991-07-29
FR2676080A1 (fr) * 1991-04-30 1992-11-06 Arteon Marcel Ancrage notamment pour panneau de beton arme.
EP1469143A1 (fr) * 2003-04-14 2004-10-20 Gebr. Philipp GmbH Manchon d'ancrage
WO2013094780A1 (fr) * 2011-12-19 2013-06-27 (주)세종알앤디 Canal d'ancrage du type à soudage de plaques et procédé de fabrication de ce dernier
EP2685019A1 (fr) * 2012-07-13 2014-01-15 Gerhard Krummel Elément de liaison entre deux composants en béton
CN103437430A (zh) * 2013-07-18 2013-12-11 杭州博数土木工程技术有限公司 外平内搭板螺柱焊波形钢板连接结构及施工工艺
CN103437430B (zh) * 2013-07-18 2016-01-20 浙江中隧桥波形钢腹板有限公司 外平内搭板螺柱焊波形钢板连接结构及施工工艺
GB2535486B (en) * 2015-02-17 2020-12-23 William Haley Eng Ltd Embedment plates
GB2535486A (en) * 2015-02-17 2016-08-24 William Haley Eng Ltd Embedment plates
US11927016B2 (en) 2017-12-22 2024-03-12 Ln1 Inc. Combined anchor and fastener assembly especially intended for concrete structures and method employing same
WO2019158515A1 (fr) * 2018-02-13 2019-08-22 PreConTech International GmbH Ancrage pour éléments préfabriqués en béton
AT523434B1 (de) * 2018-02-13 2021-08-15 Precontech Int Gmbh Verankerung für Betonfertigteile
AT523434A5 (de) * 2018-02-13 2021-08-15 Precontech Int Gmbh Verankerung für Betonfertigteile
WO2020051218A1 (fr) 2018-09-04 2020-03-12 Nill Lance Ensemble ancrage et fixation combinés spécialement destiné à des structures en béton et procédé mettant en oeuvre ledit ensemble
NO20210291A1 (en) * 2018-09-04 2021-03-05 Lance Nill Combined anchor and fastener assembly intended for concrete structures and methold employing same
EP3837402A4 (fr) * 2018-09-04 2022-06-22 Nill, Lance Ensemble ancrage et fixation combinés spécialement destiné à des structures en béton et procédé mettant en oeuvre ledit ensemble
AU2019335221B2 (en) * 2018-09-04 2026-01-08 Ln1 Inc. Combined anchor and fastener assembly especially intended for concrete structures and method employing same

Also Published As

Publication number Publication date
DE2739879A1 (de) 1979-03-15
EP0001095A3 (en) 1979-04-04
EP0001095B1 (fr) 1980-12-10

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