US3886242A - Method for forming holes in concrete slabs and pavements - Google Patents

Method for forming holes in concrete slabs and pavements Download PDF

Info

Publication number
US3886242A
US3886242A US353360A US35336073A US3886242A US 3886242 A US3886242 A US 3886242A US 353360 A US353360 A US 353360A US 35336073 A US35336073 A US 35336073A US 3886242 A US3886242 A US 3886242A
Authority
US
United States
Prior art keywords
concrete
plug
pavements
plate
forming holes
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.)
Expired - Lifetime
Application number
US353360A
Other languages
English (en)
Inventor
Matthews Mcgregor
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.)
ROBERT MCGREGOR AND SONS Ltd
Original Assignee
ROBERT MCGREGOR AND SONS Ltd
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 ROBERT MCGREGOR AND SONS Ltd filed Critical ROBERT MCGREGOR AND SONS Ltd
Application granted granted Critical
Publication of US3886242A publication Critical patent/US3886242A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • E04G15/00—Forms or shutterings for making openings, cavities, slits, or channels
    • E04G15/06—Forms or shutterings for making openings, cavities, slits, or channels for cavities or channels in walls of floors, e.g. for making chimneys
    • E04G15/063—Re-usable forms

Definitions

  • ABSTRACT A method of forming a hole in concrete wherein a ⁇ 52] i fggfg iggffgi plug is forced through a guiding aperture in an opera- I C F304) 1 16 tive finishing plate in smoothing contact with laid wet [51] 317 3/3 concrete and after the concrete has set the plug is [58] d 0 earc withdrawn to leave the hole in the set concrete.
  • the invention relates to a device to be incorporated in a slip form paver for forming holes in the concrete slab during the process of conforming and extruding the wet concrete, such holes being used for mounting fixtures on the slab.
  • a device for forming holes in concrete slabs or pavements comprising a concrete finishing plate for smoothing a wet concrete slab or pavement, and a ram mounted on said plate and adapted to drive removable tubes or plugs into the wet concrete through an aperture in the plate.
  • the invention also provides a method of forming holes in concrete slabs or pavement comprising the steps of positioning a tube or plug over an aperture in a finishing plate of a concrete paving machine, driving the tube or plug through the aperture into wet concrete there below, and subsequently removing the tube or plug from the set concrete to form a hole therein.
  • FIG. 1 is a sectional side view of a concrete paving machine showing a device in accordance with the invention, most of the concrete paving machine having been omitted for the sake of clarity;
  • FIG. 2 is a sectional view similar to FIG. 1, but showing the ram of the device in its depressed position;
  • FIG. 3 is an enlarged sectional front view through the paving machine shown in FIGS. 1 and 2;
  • FIG. 4 is a perspective view of a tool suitable for extracting tubes or plugs inserted into a concrete slab or pavement by the device shown in FIGS. 1, 2 and 3;
  • FIG. 5 is a fragmentary enlarged perspective view of the end of the tool shown in FIG. 4.
  • FIGS. 1, 2 and 3 show a concrete paving machine includin g a device for forming holes in concrete slabs and pavements and constructed in accordance with the invention.
  • the device comprises a concrete finishing plate 10 for smoothing wet concrete laid by the concrete paving machine.
  • a pneumatic ram 11 is mounted over the plate 10 and is supported in a vertical disposition by two uprights l2 and a crosspiece 13, the top of the ram 11 being connected to the cross-piece l3 approximately halfway along its length (see FIG. 3).
  • the lower end of the ram is connected to a cross member 14, each end of which slidably co-operates with a respective one of the uprights 12.
  • the lower edge of the cross member has two recesses 15 therein for accommodating respective plungers l6. Beneath each plunger 16 a respective aperture 17 is provided in the plate 10 which is just big enough to accommodate the cross section of the plungers 16 and the tube or plug 18 to be forced into the wet concrete.
  • a respective tube or plug 18 is positioned beneath each plunger 16 and upon actuation of the pneumatic ram 11, the tubes or plugs 18 are driven into the wet concrete 19 beneath the concrete finishing plate 10 through the apertures 17 therein.
  • the aperture 17 thereby guides the tube or plug l8 during insertion into the wet concrete.
  • the tool may comprise a shaft 21 having a handle 22 extending at right angles at one end and provided with notches or recesses 23 in the other end which engages with a bar 24 extending across the inside of the tube or plug 18 for removal of the tube or plug 1.8 from the concrete 19.
  • Tools with other types of end fittings may be used for tube removal. It has been found that formation of holes in concrete slabs and pavements using the device of the invention does not impair the finish or strength of the concrete, and also the accuracy of position of the holes is very good.
  • the ram 11 could, of course, be operated hydraulically instead of pneumatically.
  • a method of forming a hole in a concrete slab or pavement comprising the steps of positioning a finishing plate in overlying contact with wet laid concrete to finish form said slab or pavement, said plate having at least one through aperture, forcing a plug from above the set concrete.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Repair (AREA)
  • Road Paving Structures (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
US353360A 1972-05-01 1973-04-23 Method for forming holes in concrete slabs and pavements Expired - Lifetime US3886242A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2010072A GB1405178A (en) 1972-05-01 1972-05-01 Device for forming holes in concrete slabs and pavements

Publications (1)

Publication Number Publication Date
US3886242A true US3886242A (en) 1975-05-27

Family

ID=10140386

Family Applications (1)

Application Number Title Priority Date Filing Date
US353360A Expired - Lifetime US3886242A (en) 1972-05-01 1973-04-23 Method for forming holes in concrete slabs and pavements

Country Status (4)

Country Link
US (1) US3886242A (fr)
BE (1) BE798907A (fr)
GB (1) GB1405178A (fr)
ZA (1) ZA732762B (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4181484A (en) * 1974-01-11 1980-01-01 Ardyshev Valentin N Device for forming underground pipelines
US4376086A (en) * 1980-04-22 1983-03-08 SICOWA Verfahrenstechnik fur Baustoffe GmbH Process for the production of calcium silicate-containing stone blanks useful in constructing building walls
US20040191014A1 (en) * 2003-03-24 2004-09-30 May James L. Core retainer
US7049541B1 (en) 2005-01-13 2006-05-23 Thompson Eric Q Cutting guide for plasma torch
US7393156B1 (en) 2006-09-07 2008-07-01 Power Curbers, Inc. Construction apparatus for planting a series of vertical posts

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1045587A (en) * 1911-06-19 1912-11-26 Unit Construction Co Method of attaching hoisting-hooks.
US3259032A (en) * 1963-03-27 1966-07-05 Abg Werke Gmbh Fa Joint forming apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1045587A (en) * 1911-06-19 1912-11-26 Unit Construction Co Method of attaching hoisting-hooks.
US3259032A (en) * 1963-03-27 1966-07-05 Abg Werke Gmbh Fa Joint forming apparatus

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4181484A (en) * 1974-01-11 1980-01-01 Ardyshev Valentin N Device for forming underground pipelines
US4376086A (en) * 1980-04-22 1983-03-08 SICOWA Verfahrenstechnik fur Baustoffe GmbH Process for the production of calcium silicate-containing stone blanks useful in constructing building walls
USRE32673E (en) * 1980-04-22 1988-05-24 SICOWA Verfahrenstechnik fur Baustoffe GmbH Process for the production of calcium silicate-containing stone blanks useful in constructing building walls
US20040191014A1 (en) * 2003-03-24 2004-09-30 May James L. Core retainer
US6881016B2 (en) 2003-03-24 2005-04-19 James L. May Core retainer
US7049541B1 (en) 2005-01-13 2006-05-23 Thompson Eric Q Cutting guide for plasma torch
US7393156B1 (en) 2006-09-07 2008-07-01 Power Curbers, Inc. Construction apparatus for planting a series of vertical posts

Also Published As

Publication number Publication date
ZA732762B (en) 1974-04-24
GB1405178A (en) 1975-09-03
BE798907A (fr) 1973-08-16

Similar Documents

Publication Publication Date Title
EP0287986B1 (fr) Dispositif de poinçonnage pour des plaques minces et éléments de poinçonnage utilisés dans ce dispositif
US2419862A (en) Method of and apparatus for punching by transfer means
JPH06238606A (ja) ボーリング機
CN211164705U (zh) 一种手动石材打孔机
US3886242A (en) Method for forming holes in concrete slabs and pavements
US2452706A (en) Rock shearing machine
KR200378216Y1 (ko) 사각파이프에 관통구멍을 형성시키는 펀치기 및 이펀치기에 의해 관통구멍이 만들어진 사각파이프
CN111923135A (zh) 一种用于建筑工程用板材切割打孔一体设备
US2329020A (en) Punching device
DE202016105272U1 (de) Vorrichtung zum Zerteilen von festem Material
CN212398211U (zh) 一种水利工程施工用钻孔装置
CN206445499U (zh) 电机壳打孔攻丝装置
DE846975C (de) Vorrichtung zur Gewinnung von Bloecken, Platten u. dgl. in Steinbruechen, die nebeneinander angeordnete Kernbohrer besitzt
US3394448A (en) Installation of locking keys for threaded parts
EP3299138A1 (fr) Dispositif et procédé de découpe de matière solide
KR100645777B1 (ko) 사각파이프에 관통구멍을 형성시키는 펀치기 및 이펀치기에 의해 관통구멍이 만들어진 사각파이프
US2501412A (en) Metal concrete form tie with boring bit
JPH079222A (ja) 穿孔装置
CN211030305U (zh) 一种防滑鞋垫生产用打孔机
CN211192253U (zh) 一种钢管接头长管自动切割下料设备
CN105772780A (zh) 一种as扳手钻孔装置
CN220815542U (zh) 一种露天矿山爆破开采用打孔装置
DE10040804A1 (de) Verfahren zum Entfernen einer Öldichtung
EP3266574B1 (fr) Dispositif et procédé d'introduction de matériaux d'isolation dans une brique ajourée
DE3240918C2 (de) Vorrichtung zum Abtrennen von Installationsdosen oder Rohrstutzen