EP0143765A2 - Halter für Bohrstahl und gleichartige Produkte - Google Patents

Halter für Bohrstahl und gleichartige Produkte Download PDF

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Publication number
EP0143765A2
EP0143765A2 EP84850360A EP84850360A EP0143765A2 EP 0143765 A2 EP0143765 A2 EP 0143765A2 EP 84850360 A EP84850360 A EP 84850360A EP 84850360 A EP84850360 A EP 84850360A EP 0143765 A2 EP0143765 A2 EP 0143765A2
Authority
EP
European Patent Office
Prior art keywords
holder
cavities
locking means
holder according
drill steels
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Withdrawn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
EP84850360A
Other languages
English (en)
French (fr)
Other versions
EP0143765A3 (de
Inventor
Stig Klintell
Rune Severin
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.)
Norabel AB
Original Assignee
Norabel AB
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 Norabel AB filed Critical Norabel AB
Publication of EP0143765A2 publication Critical patent/EP0143765A2/de
Publication of EP0143765A3 publication Critical patent/EP0143765A3/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H3/00—Storage means or arrangements for workshops facilitating access to, or handling of, work tools or instruments
    • B25H3/003—Holders for drill bits or the like

Definitions

  • the present invention relates to a holder for drill steels and similar products, which holder comprises a body with several cavities extending across the body and which have a cross-section essentially corresponding to half the cross-section of the drill steels, so that several drill steels can be held in place in the cavities between two holders which are facing each other and joined together.
  • DriLL steels are usually produced in Lengths of several meters with a crown or a chisel bit at one end and optionally a connection in the form of a flange or a collar at the other end. Transport and other handling of drill steels cause special problems since both the crown and the connection have to be protected against damages and since the steels, despite their Length, must not be bended. ConsequentLy drill steels are normally transported in holders, as above, made of wood and the steels are placed in the cavities between two halves which are then joined by nailing. Usually several drill steels, for example 5, are held by means of a holder at each end of the steels. These units are sometimes made into a bundle using bands to form larger packages with for example 10 units in each.
  • the invention generally includes
  • the object of the present invention is to achieve a holder for drill steels and similar products which does not show the above described disadvantages.
  • the invention relates particularly to a holder which is simply joined and gives a high and invariable friction to the steel drills without any significant weakening at transport and storage.
  • the holder is provided with Locking means which can be locked by pressing and this means that the time-consuming nailing can be replaced by a rapid compression.
  • the press force is decided by the dimension of the Locking mechanism and the friction will be more reproducable and invariable than at manual nailing.
  • the force keeping the parts together can further be made very great if the pressing is carried out by mechanical devices.
  • the cavities are not formed by boring but by ridges on a plate shaped bottom part it is possible to adjust the cross-section of the cavities to the cross-section of the drill steels so that a safe holding is obtained and at the same time the amount of material required for the holder can be kept Low.
  • the holder is suitably made of a thermoplastic material and hereby all problems connected with shrinking and swelling at moisture variations can be avoided and at the same time the friction properties are positively influenced.
  • the holder is primarily intended for elongated goods having an essentially constant cross-section.
  • the holder shall be designed with at least two, and preferably several, recesses.
  • the holder shall be provided with Locking means which can be brought to engagement with each other by simply forcing the parts together or by similar action.
  • the locking means should be an integrated part of the holder so that it will not be necessary to use separate means at the joining.
  • the Locking means are suitably formed in one part with the rest of the holder.
  • the locking means can for example be made up by barbed hooks on one of the surfaces and entrances adjusted to these on the other surface or by other forms of hook and eye.
  • the Locking means should be placed between the cavities in the holders and can, in principle, be placed anywhere in the holder depth, seen in a direction parallel to the axes of the cavities. It is, however, preferred to place the locking means at the front and back surfaces of the holder in the above mentioned depth direction as this gives the most stable joining.
  • the Locking means are designed as eyes on one half of the holder and as hooks on the other half. It is further preferred that the distribution of the Locking means over the holder is such that these can be brought to engage when two identicaL holders are used in the fixture. If the Locking means are mutually different each holder shall thus be provided with both types of lock parts. The number of Locking means should exceed two and it is preferred that each cavity has one locking means on each side, both on the back and front side of the holder. When the Locking parts are different they can advantageously be placed alternate along the front and back side of the holder so that a symmetrical joint is obtained after pressing together.
  • the cavities in the holder for the drill steels can advantageously be formed by means of ridges placed on an essentially plane bottom plate, although the ridges advantageously form an integrated part of the bottom plate whereby the stand-up ridges are arranged between the cavities.
  • the height of the bottom plate as well as the mutual distances between the cavities shall at first hand be dimensioned with respect to the fact that the thickest parts of the drill steels should not be able to get into contact with steels in adjacent cavities or steels in other similar holders even if the steel should happen to rotate in their cavities.
  • the bottom plate has a height greater than required with respect to strength cut-in portions in the material can as a rule be made in the bottom plate, preferably on its underside, ie on the side turned from the cavity.
  • the ridges on upper side of the bottom plate can be solid and extend along the entire depth from the front to the back side of the holder along the cavities but instead it is preferred to place a Limited number of plates, with planes perpendicular to the axes of the cavities, along the sides of the cavities.
  • the shape of the ridges and the positioning of them on the bottom plate is decided with respect to the cross-section of drill steel, which as a rule is polygonal.
  • crests or spots of thinner materials along the edges of the ridges which are turned towards the cavities or on the bottom plate so that a certain resilience and adjusting capability to the drill steel form is obtained.
  • Such crests and spots can optionally be made of other material than the rest of the holder, such as of thermoplastic rubber. ALternativeLy, a higher friction can be obtained by placing a film of a softer plastic materiaL, a foamed plastic material or rubber, in the cavities before the drill steels are put inplace and the holder parts are joined.
  • the holder is preferably made of a thermoplast such as HD-poLyethyLene.
  • the plastic can advantageously be reinforced, and can suitably be gLassfibre reinforced polypropylene.
  • the holder is suitably made in one part, for example by injection moulding. Surfaces of another material for increasing the friction can optionally be co-moulded in the same production operation.
  • the holder is intended for use in the same manner as previously known holders have been used.
  • a pair of holders are suitably placed at each end of the drill steels to be joined. If the holder is provided with suitably designed caviites the pair of holders can be fixed around the flange or collar of the connection which gives and additional guiding in the Length direcetion.
  • Several units can be bundled together using bands according to previously known custom. The bundling is simplified if the sides of the holders which are turned outwards are provided with protrusions or guiding pins which can engage corresponding hollows in adjacent holders. If the holders are provided with further locking means of the type described above, turned away from the underside of the bottom plate, several units of drill steels which are hedl together can be formed into fixtures and bundled by means of these locking means making it unnecessary to use bands.
  • Figure 1 shows a preferred embodiment of the holder according to the invention.
  • Figure 2 shows drill steels held together between two such holders.
  • the holder is moulded in one part but structurally it comprises a bottom plate 1 with an essentially smooth upper side 2 having cut-in portions on the underside 3.
  • holes 4 have been made to simplify fixing of a plate, name-plate, steering pins or similar.
  • On the upper side 2 of the bottom plate a plurality of fairly thin ridges 5 have been arranged to be parallel to each other. SeveraL ridges are arranged in the depth from the holder front surface 6 to the holder back surface 7 so that the edges 8 of the ridges together with part of the upperside 2 of the bottom plate form the cavities 9 in which the drill steels shall be placed. From the figure it is evident that the cavities in this case are adjusted to drill steels with a hexagonal profile.
  • Edges 10 and pins 11 for friction increase are distributed on the ridges and the bottom pLate.
  • On the front and back sides, 6 and 7 respectively, of the holder eyes 12 and hooks 13 are placed between the cavities 9 alternating so that when two holders of the shown type are forced together the eyes on one will engage the hooks on the other and a Locking will be obtained at six positions along each side 6 and 7 of the holder.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Connection Of Plates (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
EP84850360A 1983-11-23 1984-11-21 Halter für Bohrstahl und gleichartige Produkte Withdrawn EP0143765A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8306474 1983-11-23
SE8306474A SE454266B (sv) 1983-11-23 1983-11-23 Hallare for borrstal vid lagring och transport

Publications (2)

Publication Number Publication Date
EP0143765A2 true EP0143765A2 (de) 1985-06-05
EP0143765A3 EP0143765A3 (de) 1986-09-03

Family

ID=20353439

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84850360A Withdrawn EP0143765A3 (de) 1983-11-23 1984-11-21 Halter für Bohrstahl und gleichartige Produkte

Country Status (6)

Country Link
EP (1) EP0143765A3 (de)
DK (1) DK159873C (de)
FI (1) FI76760C (de)
IE (1) IE56614B1 (de)
NO (1) NO160193C (de)
SE (1) SE454266B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE500833C2 (sv) * 1990-03-16 1994-09-12 Sandvik Ab Hållare för ett flertal metallstänger

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1078215A (fr) * 1952-06-11 1954-11-16 Hellefors Bruks Aktiebolag Procédé pour envelopper en paquets des objets en forme de barres et dispositif pour l'application du procédé
FR1292637A (fr) * 1961-06-17 1962-05-04 Emballage pour crayons ou applications similaires
FR2119229A5 (de) * 1970-12-24 1972-08-04 Massilly Usine Metal
US3952903A (en) * 1974-10-21 1976-04-27 Pinckney Molded Plastics, Inc. Closed container
GB2059905A (en) * 1979-09-24 1981-04-29 Quraishi A H Packing tubular members
US4385695A (en) * 1981-07-01 1983-05-31 Champlin Bruce E Packaging block for cylindrical articles
DE3128345A1 (de) * 1981-07-31 1983-02-10 Nichiei Distribution Systems, Inc., Kawasaki, Kanagawa Einrichtung zum buendeln von rohren und aehnlichen koerpern

Also Published As

Publication number Publication date
DK159873B (da) 1990-12-24
SE8306474D0 (sv) 1983-11-23
IE56614B1 (en) 1991-10-09
FI76760C (fi) 1988-12-12
SE454266B (sv) 1988-04-18
NO160193C (no) 1989-03-29
NO160193B (no) 1988-12-12
FI844575L (fi) 1985-05-24
IE842982L (en) 1986-05-23
DK555084D0 (da) 1984-11-22
NO844664L (no) 1985-05-24
FI844575A0 (fi) 1984-11-21
SE8306474L (sv) 1985-05-24
FI76760B (fi) 1988-08-31
EP0143765A3 (de) 1986-09-03
DK159873C (da) 1991-05-21
DK555084A (da) 1985-05-24

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Inventor name: KLINTELL, STIG

Inventor name: SEVERIN, RUNE