WO2000007830A2 - Dispositif de moulage pour representer des objets en trois dimensions - Google Patents

Dispositif de moulage pour representer des objets en trois dimensions Download PDF

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Publication number
WO2000007830A2
WO2000007830A2 PCT/DE1999/002191 DE9902191W WO0007830A2 WO 2000007830 A2 WO2000007830 A2 WO 2000007830A2 DE 9902191 W DE9902191 W DE 9902191W WO 0007830 A2 WO0007830 A2 WO 0007830A2
Authority
WO
WIPO (PCT)
Prior art keywords
housing
pin elements
impression device
pin
objects
Prior art date
Application number
PCT/DE1999/002191
Other languages
German (de)
English (en)
Other versions
WO2000007830A3 (fr
Inventor
Boris Bronchtein
Original Assignee
Boris Bronchtein
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
Priority claimed from DE1998134624 external-priority patent/DE19834624C1/de
Application filed by Boris Bronchtein filed Critical Boris Bronchtein
Priority to DE19981482T priority Critical patent/DE19981482D2/de
Priority to AU59679/99A priority patent/AU5967999A/en
Publication of WO2000007830A2 publication Critical patent/WO2000007830A2/fr
Publication of WO2000007830A3 publication Critical patent/WO2000007830A3/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
    • A61B5/1077—Measuring of profiles
    • A61B5/1078—Measuring of profiles by moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C23/00—Tools; Devices not mentioned before for moulding

Definitions

  • the present invention relates to an impression device for three-dimensional representation of objects according to claim 1.
  • the object of the present invention is to provide an impression device for the three-dimensional representation of objects, with which accurate impressions of objects can be carried out in a simple manner, with little expenditure of time and inexpensively.
  • the object is achieved by an impression device according to claim 1.
  • the impression device With the impression device according to the invention it is possible to create a bed of pin elements projecting beyond the side surface.
  • the pin elements can move back into the housing depending on an object placed on them.
  • a gaseous fixing medium can be present in the housing as a pressure medium in order to provide the pin elements with a low resistance.
  • a fixing medium is filled into the housing, which solidifies the positive form. The positive form can then be detached from the pin elements and removed from the housing.
  • the housing has a depth that is less than the length of each pin element. This ensures that the pin element cannot fall out of its hole guide into the housing.
  • each pin element has a portion on the housing side with a larger outer diameter than the inner diameter of the hole. This also ensures that the pin element cannot fall out of its hole guide.
  • Figure 1 is a schematic perspective view of an arrangement of an impression device with two housings.
  • Figure 2 is a schematic side view in section of the impression device according to the invention with expandable tubes as a fixed fixing medium.
  • FIG. 3 shows a schematic view of the perforated plate 3.2 from FIG. 2 with guide gaps and a locking element which can be moved parallel to the plate surface;
  • FIG. 4 shows a schematic side view of the housing 1 from FIG. 2, but with a further perforated plate as the fixed fixing medium;
  • FIG 5 shows a schematic side view of the housing from FIGS. 2 and 4, but with a comb-like engagement element as a fixed fixing medium.
  • a housing 1 is essentially cuboid and is provided on one side by a side surface 3 with a plurality of through holes 5, in each of which a pin element 7 is arranged in a tightly sliding manner.
  • the housing 1 seals a cavity and has a second side surface 9 in the present embodiment, which is arranged parallel to and at a distance from the side surface 3. The distance between the side surfaces 3 and 9 is less than the length of a pin element 7.
  • connection point 11 is provided in a further third side surface for connection to a source for a fixing medium.
  • Each pin element 7 has a circumferential widening 13 at its end on the housing side, that is to say at the end that lies in the housing, such that the outer diameter of the pin element 7 on the circumferential widening 13 is larger than an inner diameter of the hole 5. As a result, the pin element 7 cannot fall out of its hole guide.
  • the housing 1 is supported on a slide rail 15.
  • the housing 1 can be moved on the slide rail 15 over the length of the slide rail 15 and can be fixed in position by means of a locking mechanism (not shown).
  • the housing 1 is pivotally arranged so that it can rotate about a vertical axis (see double arrow).
  • a second housing 10 is shown, which corresponds to the housing 1 in all features and is therefore not yet a times to be described.
  • the reference numerals of the components described thus relate to both housings 1 and 10 in the following.
  • the housing 10 is fixed next to the housing 1 on the slide rail 15. Both housings 1, 10 can be brought into a position in relation to one another as required.
  • the side surfaces 3 of the two housings 1, 10 are aligned with one another.
  • the housings 1, 10 are rotated about their vertical axes in such a way that the planes of the side surfaces 3 enclose an angle of approximately 90 °.
  • the second side surface 9 is detachably attached to the housings 1, 10, so that extensive access to the interior of the housing, for. B. for the purpose of cleaning and removing the fixing medium.
  • the pin elements 7 all protrude in almost the same length from the holes 5 over the side surface 3. Then an object is pressed against the "nail bed", ie against the pin elements 7, so that the pin elements 7 move inwards in accordance with their pressurization. After the object has been removed, a negative impression can be seen on the outside and a positive impression of the object on the inside.
  • a fixing medium such as. B. sand, gel with strengthening properties or a liquid with thixotropic or similar properties, filled from a corresponding source (not shown) in the housing 1, 10 and fixed the positive image. An impression is then taken in the usual way from the negative image. It is important that the pin elements 7 are arranged in a very high density, for. B. 6 to 12 pin elements / cm 2 .
  • an airbag is arranged in the housing 1, 10, which is connected to a compressed gas source via a valve and can be inflated or deflated if necessary.
  • the airbag then presses the pin elements against the object and takes an impression.
  • the pressure can be applied in a pulsed manner with a control.
  • the fixing medium is not liquid or gaseous, but solid. So z. B. Fixing pins inserted perpendicular to the molding pin elements and pinch the molding pin elements 7. The jamming can be done by moving the fixing pins. For this purpose, it is advantageous if the fixing pins with an elastic coating, for. B. made of rubber. This also increases the friction between the fixing pins and the molding pin elements 7.
  • expandable pipes or tubes are provided in the housing, which can be acted upon from the inside with gas pressure and thereby expand slightly in order to exert pressure on the pin elements 7.
  • These tubes are also preferably made of rubber or with a rubber coating in order to increase the friction between the molding pin elements 7 and the tubes.
  • a further mechanical fixation can be done by a comb-like engagement element.
  • a plurality of fixing pins such as prongs of a comb, can protrude between the pin elements 7, the shaft of the comb lying outside the housing.
  • the shaft e.g. B. by pulling in the longitudinal direction or turning in a plane parallel to the housing wall, the individual tines can be brought into pressure connection to the pin elements 7.
  • the tines it can be advantageous for the tines to have a rubber coating or the like. exhibit.
  • the comb-like engaging element can connect all tines to its shaft, that is, the shaft can not only be elongated, but also round or square, so that all tines can be moved simultaneously with a tool or by hand.
  • the pin elements 7 can also be formed without a circumferential extension 13.
  • an intermediate wall is formed in the housing parallel to the side surface 3 with the through holes 5.
  • the distance between the intermediate wall and the side wall provided with holes is smaller than the greatest impression depth.
  • FIG. 2 schematically shows a cross section through the housing 1, 10 with the first side surface 3 with a plurality of through holes and the second side surface 9, which is arranged parallel to the distance from the side surface 3.
  • the pin elements 7 are indicated in the form of a double arrow, which represents the direction of movement of the pin elements.
  • the side surface 3 is divided into two parallel, spatially separated perforated plates 3.1 and 3.2.
  • the space between the second side surface 9 and the inner perforated plate 3.2 is filled with granular material, e.g. B. beads, sand or the like.
  • granular material e.g. B. beads, sand or the like.
  • the fixation should take place by various mechanical methods.
  • the pin elements 7 themselves can be accommodated in guide gaps 17 so that they lie close together in them.
  • the pin elements 7 can have any external shape.
  • the guide gaps 17 are then formed in the plate 3.2 instead of the holes 5.
  • a further locking element 19 is provided, which can be moved parallel to the plate 3.2 and on the ends on the room side the pin elements 7 exert lateral pressure in order to fix them by mutual pressure (FIG. 3).
  • an air tube is arranged between the two parallel perforated plates 3.1 and 3.2 between the levels of the pin elements 7, which is connected to a compressed gas source with a compressed gas, e.g. B. air is supplied to expand when the pin elements 7 are to be fixed.
  • a compressed gas source with a compressed gas e.g. B. air is supplied to expand when the pin elements 7 are to be fixed.
  • These tubes 21 run at right angles in a horizontal plane to the pin elements 7.
  • the comb-like engaging element 22 is a perforated plate arranged between the perforated plate 3.1 and 3.2, which is fixed to the housing 1, 10, but is movable relative to the pin elements 7 or relative to the perforated plates 3.1 and 3.2, so that To pinch pin elements 7 by rotation or a linear movement ( Figure 4).
  • FIG. 5 A further embodiment is now shown in FIG. 5, in which the mechanical fixing is carried out by the comb-like engagement element 23.
  • the comb-like engaging element 23 can either be pulled in the longitudinal direction or rotated in a plane parallel to the housing wall, or is designed in such a way that the tines can be moved relative to the shaft, and can be rotated independently of the shaft by actuating the shaft, such as lamellae Blind.
  • fine metal particles are filled in the first side surface 3 between the perforated plates 3.1 and 3.2, which on the one hand increase the slidability of the pin elements 7 and on the other hand are magnetized by the sliding and a fixed agglomeration form, which fix the pin elements 7.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Mechanical Engineering (AREA)
  • Toys (AREA)

Abstract

L'invention concerne un dispositif de moulage pour représenter des objets en trois dimensions. Ce dispositif comprend un boîtier servant à recevoir un agent de fixation, ainsi qu'une surface latérale qui présente une pluralité de trous dans chacun desquels un élément en forme de broche est placé de manière à pouvoir coulisser et fait saillie vers l'extérieur par rapport à la surface latérale. Ledit dispositif comprend en outre une zone de raccordement à une source d'agent de fixation.
PCT/DE1999/002191 1998-07-31 1999-07-14 Dispositif de moulage pour representer des objets en trois dimensions WO2000007830A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19981482T DE19981482D2 (de) 1998-07-31 1999-07-14 Abformvorrichtung zur dreidimensionalen Darstellung von Objekten
AU59679/99A AU5967999A (en) 1998-07-31 1999-07-14 Shaping device for the three-dimensional representation of objects

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19834624.7 1998-07-31
DE1998134624 DE19834624C1 (de) 1998-07-31 1998-07-31 Abformvorrichtung zur dreidimensionalen Darstellung von Objekten
DE29900504.6 1999-01-14
DE29900504U DE29900504U1 (de) 1998-07-31 1999-01-14 Abformvorrichtung zur dreidimensionalen Darstellung von Objekten

Publications (2)

Publication Number Publication Date
WO2000007830A2 true WO2000007830A2 (fr) 2000-02-17
WO2000007830A3 WO2000007830A3 (fr) 2000-04-13

Family

ID=26047836

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1999/002191 WO2000007830A2 (fr) 1998-07-31 1999-07-14 Dispositif de moulage pour representer des objets en trois dimensions

Country Status (3)

Country Link
AU (1) AU5967999A (fr)
DE (1) DE19981482D2 (fr)
WO (1) WO2000007830A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2566330A (en) * 2017-09-12 2019-03-13 Prometheus Surgical Ltd Surgical guide production apparatus for use in a sterile environment
CN117357330A (zh) * 2023-12-07 2024-01-09 德州市红拳医疗器械有限公司 一种眼科手术辅助支架

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2968838A (en) * 1959-01-29 1961-01-24 Alan A Hicks Three-dimensional die
FR2123609A5 (fr) * 1971-01-25 1972-09-15 Leoty Michel
FR2548577A1 (fr) * 1983-07-04 1985-01-11 Hurel Dubois Avions Procede de constitution d'une matrice adaptable, permettant de donner a un produit mince une configuration quelconque, et matrice realisee selon ce procede
WO1987007233A1 (fr) * 1986-05-21 1987-12-03 Goldspar Australia Pty. Limited Procede et appareil pour former des voiles
FR2659601A3 (fr) * 1990-03-19 1991-09-20 Picard Bernard Jeu de moulage avec gel de precision et premoule constituant porte-empreinte.
WO1994011171A1 (fr) * 1992-11-10 1994-05-26 Autocontrole Inc. Moule a forme variable

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61276741A (ja) * 1985-06-03 1986-12-06 Mitsubishi Heavy Ind Ltd 模型形状の自動作成装置
JPH0550440A (ja) * 1991-08-28 1993-03-02 Fujitsu Ltd 立体モデル作成用型枠及び立体モデル作成方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2968838A (en) * 1959-01-29 1961-01-24 Alan A Hicks Three-dimensional die
FR2123609A5 (fr) * 1971-01-25 1972-09-15 Leoty Michel
FR2548577A1 (fr) * 1983-07-04 1985-01-11 Hurel Dubois Avions Procede de constitution d'une matrice adaptable, permettant de donner a un produit mince une configuration quelconque, et matrice realisee selon ce procede
WO1987007233A1 (fr) * 1986-05-21 1987-12-03 Goldspar Australia Pty. Limited Procede et appareil pour former des voiles
FR2659601A3 (fr) * 1990-03-19 1991-09-20 Picard Bernard Jeu de moulage avec gel de precision et premoule constituant porte-empreinte.
WO1994011171A1 (fr) * 1992-11-10 1994-05-26 Autocontrole Inc. Moule a forme variable

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 011, no. 140 (M-586), 8. Mai 1987 (1987-05-08) & JP 61 276741 A (MITSUBISHI HEAVY IND LTD), 6. Dezember 1986 (1986-12-06) *
PATENT ABSTRACTS OF JAPAN vol. 017, no. 352 (M-1439), 5. Juli 1993 (1993-07-05) & JP 05 050440 A (FUJITSU LTD), 2. März 1993 (1993-03-02) *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2566330A (en) * 2017-09-12 2019-03-13 Prometheus Surgical Ltd Surgical guide production apparatus for use in a sterile environment
GB2566330B (en) * 2017-09-12 2020-01-22 Prometheus Surgical Ltd Surgical guide production apparatus for use in a sterile environment
CN117357330A (zh) * 2023-12-07 2024-01-09 德州市红拳医疗器械有限公司 一种眼科手术辅助支架
CN117357330B (zh) * 2023-12-07 2024-02-20 德州市红拳医疗器械有限公司 一种眼科手术辅助支架

Also Published As

Publication number Publication date
DE19981482D2 (de) 2001-07-26
AU5967999A (en) 2000-02-28
WO2000007830A3 (fr) 2000-04-13

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