EP0100703A1 - Einspritzvorrichtung zur Behandlung von Holz - Google Patents

Einspritzvorrichtung zur Behandlung von Holz Download PDF

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Publication number
EP0100703A1
EP0100703A1 EP83401365A EP83401365A EP0100703A1 EP 0100703 A1 EP0100703 A1 EP 0100703A1 EP 83401365 A EP83401365 A EP 83401365A EP 83401365 A EP83401365 A EP 83401365A EP 0100703 A1 EP0100703 A1 EP 0100703A1
Authority
EP
European Patent Office
Prior art keywords
injector
head
cavity
hollow
wood
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
EP83401365A
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English (en)
French (fr)
Other versions
EP0100703B1 (de
Inventor
Marc Bidaux
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
Priority to AT83401365T priority Critical patent/ATE22673T1/de
Publication of EP0100703A1 publication Critical patent/EP0100703A1/de
Application granted granted Critical
Publication of EP0100703B1 publication Critical patent/EP0100703B1/de
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/02—Processes; Apparatus
    • B27K3/08—Impregnating by pressure, e.g. vacuum impregnation
    • B27K3/10—Apparatus
    • B27K3/105—Injection apparatus

Definitions

  • the present invention relates to an injector device of a new type and its production method, this device being intended to inject under high pressure into the wood a treatment liquid.
  • One method consists in inoculating the liquid by a hollow needle which punctures a dowel previously placed in the wood and the recessed part of which has holes or slots to allow the liquid to pass through the wood.
  • This process is used less and less because the perforation created allows a return of the pressurized liquid to the outside.
  • Some injectors internally include a liquid non-return device:
  • valve or lip injectors do not provide a good seal
  • the ball injectors require two operations for their realization which are firstly the molding of the injector and secondly the installation of ball, which makes them more expensive.
  • the present invention allows these drawbacks to be completely eliminated.
  • the injector according to the invention consists of a body (1) of molded material, such as polyamide or nylon, intended to be inserted into a pilot hole in the wood to be treated, the end (2) being struck directly by a hammer, so that at the end of the driving operation, this end does not exceed the surface of the wood to be treated (3).
  • the outer part of the body includes annular projections (4) ensuring good anchoring of the injector.
  • the injector comprises a cavity (5) intended to receive an injection head (6) of spherical shape, this cavity having a shape such that the spherical injection head (6) comes to rest on the circular edges (16) and (17) of the injector, which ensures at the time of injection a double seal.
  • the injection head (6) is held by pinching due to the elastic deformation of the flared part (8) of the injector body.
  • the central inner part of the injector has a hollow frusto-conical part (9) forming with a moving part (10,11) a valve preventing the return of the liquid after the injection.
  • the movable part (10, 11) is a part of revolution comprising a hollow cylindrical part (10) serving as a guide and a rounded or semi-spherical head (11) with a diameter greater than the diameter of the cylinder (10) and less than diameter of the hollow cylindrical part (13) of the injector, and which can rest on a crown (12) in which hollow grooves (14) are arranged parallel to the axis of the injector, and intended to promote the passage of the liquid during the injection.
  • Figure 1 shows the device at the time of injection.
  • the injection head (6) is pressed into the cavity (5), the flat face of the head (11) is supported on the crown (12) and the pressurized liquid flows through the grooves (14) to spread in the part (13) of the injector and in the wood to be treated.
  • Figure 2 shows the device after injection.
  • the pressure existing in the treatment zone pushes back the moving part (10,11) until the head (11) is in contact with the hollow conical part (9), ensuring a perfect seal.
  • the injector is produced in a single molding operation.
  • the injector body is crossed by two pins (18) and (19), the pin (19) itself being traversed in its center by a sliding pin (21).
  • the position of the pins (18) and (19) is such that a zone (20) of less resistance occurs between the crown (12) and the part (10,11) during molding.
  • the spindle (18) is easily removed despite the cavity (5) and the undercut formed by the cone (9), thanks to the elastic deformation of the flared area (8) of the injector.
  • the spindle (21) then pushes the part (10,11) which, thanks to the zone of reduced thickness (20) between the pins (18) and (19), is easily detached from the body of the injector and can be move freely inside of it.
  • the injector no longer exceeds the surface of the wood, thus avoiding an operation to cut flush with the surface of the wood the head of the injector, it allows subsequent injections to be carried out. provides an excellent seal and its cost is reduced thanks to a single molding operation to obtain the body and the moving part of the injector.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
EP83401365A 1982-07-07 1983-07-04 Einspritzvorrichtung zur Behandlung von Holz Expired EP0100703B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83401365T ATE22673T1 (de) 1982-07-07 1983-07-04 Einspritzvorrichtung zur behandlung von holz.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8212055 1982-07-07
FR8212055A FR2529820A1 (fr) 1982-07-07 1982-07-07 Dispositif injecteur pour le traitement du bois

Publications (2)

Publication Number Publication Date
EP0100703A1 true EP0100703A1 (de) 1984-02-15
EP0100703B1 EP0100703B1 (de) 1986-10-08

Family

ID=9275832

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83401365A Expired EP0100703B1 (de) 1982-07-07 1983-07-04 Einspritzvorrichtung zur Behandlung von Holz

Country Status (4)

Country Link
EP (1) EP0100703B1 (de)
AT (1) ATE22673T1 (de)
DE (1) DE3366671D1 (de)
FR (1) FR2529820A1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2565879A1 (fr) * 1984-06-13 1985-12-20 Charpenet Louis Procede et dispositif de mise en oeuvre de chevilles en materiau compressible
EP0157665B1 (de) * 1984-02-29 1988-06-01 LE BOIS TRAITE Société à responsabilité limitée dite: Antirücklaufsverschlussvorrichtung, verwendbar zur Holzbehandlung, Verfahren zum Aufstellen und Verschluss des Spunds dieser Verschlussvorrichtung
FR2689050A1 (fr) * 1992-03-31 1993-10-01 Bidaux Marc Dispositif injecteur pour le traitement du bois.
DE9312858U1 (de) * 1993-08-27 1994-08-04 Schreiner, Klaus, 34246 Vellmar Vorrichtung zur Injektion von fließfähigen Materialien in Mauerwerke, Betonbauteile, Holz o.dgl.
US5443641A (en) * 1993-04-21 1995-08-22 National Wood Treating Company Wood-treating device
US10751907B2 (en) * 2016-08-18 2020-08-25 Iml Instrumenta Mechanik Labor Gmbh Wood treatment apparatus with a displaceable sleeve for treating wood and method for treating wood

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2560810B2 (fr) * 1984-01-12 1986-10-17 Croc Georges Organe diffuseur pour injecter des produits, notamment des liquides de traitement dans des materiaux tels que le bois
FR2743326B1 (fr) * 1995-08-24 1998-02-20 Bidaux Marc Sa Procede d'obturation d'un injecteur, apres injection d'un produit pour le traitement du bois dans ledit injecteur, et le dispositif permettant la mise en oeuvre dudit procede

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2179542A1 (de) * 1972-04-11 1973-11-23 Ambos Edmond
FR2220728A1 (en) * 1973-03-07 1974-10-04 Boesinger Roger Injector for fluid under pressure - has cylinder with free end to suit injector gun
FR2386399A1 (fr) * 1977-04-08 1978-11-03 Juquin Joel Dispositif de diffusion pour le traitement interne du bois

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2179542A1 (de) * 1972-04-11 1973-11-23 Ambos Edmond
FR2220728A1 (en) * 1973-03-07 1974-10-04 Boesinger Roger Injector for fluid under pressure - has cylinder with free end to suit injector gun
FR2386399A1 (fr) * 1977-04-08 1978-11-03 Juquin Joel Dispositif de diffusion pour le traitement interne du bois

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0157665B1 (de) * 1984-02-29 1988-06-01 LE BOIS TRAITE Société à responsabilité limitée dite: Antirücklaufsverschlussvorrichtung, verwendbar zur Holzbehandlung, Verfahren zum Aufstellen und Verschluss des Spunds dieser Verschlussvorrichtung
FR2565879A1 (fr) * 1984-06-13 1985-12-20 Charpenet Louis Procede et dispositif de mise en oeuvre de chevilles en materiau compressible
FR2689050A1 (fr) * 1992-03-31 1993-10-01 Bidaux Marc Dispositif injecteur pour le traitement du bois.
US5478394A (en) * 1992-03-31 1995-12-26 Bidaux; Marc Injection device for the treatment of wood
US5443641A (en) * 1993-04-21 1995-08-22 National Wood Treating Company Wood-treating device
DE9312858U1 (de) * 1993-08-27 1994-08-04 Schreiner, Klaus, 34246 Vellmar Vorrichtung zur Injektion von fließfähigen Materialien in Mauerwerke, Betonbauteile, Holz o.dgl.
US10751907B2 (en) * 2016-08-18 2020-08-25 Iml Instrumenta Mechanik Labor Gmbh Wood treatment apparatus with a displaceable sleeve for treating wood and method for treating wood

Also Published As

Publication number Publication date
FR2529820A1 (fr) 1984-01-13
FR2529820B1 (de) 1985-01-25
ATE22673T1 (de) 1986-10-15
DE3366671D1 (en) 1986-11-13
EP0100703B1 (de) 1986-10-08

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