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WO1986001770A1 - Ajutage pour le soudage au gaz chaud de matieres plastiques - Google Patents

Ajutage pour le soudage au gaz chaud de matieres plastiques Download PDF

Info

Publication number
WO1986001770A1
WO1986001770A1 PCT/SE1985/000330 SE8500330W WO8601770A1 WO 1986001770 A1 WO1986001770 A1 WO 1986001770A1 SE 8500330 W SE8500330 W SE 8500330W WO 8601770 A1 WO8601770 A1 WO 8601770A1
Authority
WO
WIPO (PCT)
Prior art keywords
tip
openings
nozzle
sleeve
dome
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.)
Ceased
Application number
PCT/SE1985/000330
Other languages
English (en)
Inventor
Kjell A^oBERG
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 WO1986001770A1 publication Critical patent/WO1986001770A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3005—Body finishings
    • B29L2031/3017—Floor coverings

Definitions

  • the invention relates to a nozzle for welding plastic flooring and wallcovering.
  • the object of the invention is to provide a nozzle which will help to eliminate the problems outlined above.
  • Said nozzle is characterized in that it comprises a metal sleeve with a tubular rear part, intended to be connected to a conduit of some kind for the supply of hot air to the inside of the sleeve, and with a dome-shaped and completely closed front end or tip, there being two diametrically opposed, obliquely forward directed orifices for the expulsion of hot air, the sleeve lacking further openings between said orifices.
  • This nozzle thus is instrumental both in heating the filler material and in smoothing the surface. It may also be applied to the sealing of small holes in the plastic flooring.
  • the nozzle is preferably rotationally symmetrical, and the dome-shaped tip is preferably essentially a half-sphere.
  • the word tip hence does not indicate that the front end is pointed.
  • the word tip has the same meaning as for example in finger-tip.
  • the two orifices are preferably located immediately behind the tip. According to a preferred embodiment, the material of the central part of the tip is considerably thinner than that of the sleeve in the area of the orifices.
  • Fig. 1 is a view in perspective of the nozzle according to the invention, as seen from ahead at an angle;
  • Fig. 2 is an elevation of the same nozzle
  • Fig. 3 is a sectional view along the line III—III of Fig. 2.
  • the nozzle illustrated by the drawings comprises a tubular brass sleeve 1 with a blunt, half-spherical smooth tip 2.
  • the sleeve 1 is rotationally symmetrical.
  • a hot-air conduit 3 may be connected to the rear end of the sleeve 1.
  • a handling collar 4 To facilitate the assembly and disassembly of the sleeve 1 and the conduit 3 there is provided a handling collar 4.
  • the material of the central part 8 of the tip 2 is thinner than that of the tubular part 5.
  • a suitable thickness is 1 - 2 mm. If the material is thicker, the temperature of the air must be increased to keep the tip 2 hot enough. This may on the other hand cause the hot air to damage the plastic material in the vicinity. Remaining plastic on the tip may also be scorched as one changes working area.
  • the nozzle may of course be modified within the scope of the invention.
  • the nozzle need not be entirely straight. It is thus fully conceivable that the tubular part be bent, so as to facilitate work in hard-to-reach corners and nooks.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Electric Connection Of Electric Components To Printed Circuits (AREA)

Abstract

Ajutage pour le soudage de revêtements de sols et de parois en matières plastiques, comprenant un manchon métallique dont la partie arrière (1) est tubulaire et peut être raccordée à une conduite ou analogue alimentant en air chaud l'intérieur du manchon. L'ajutage est pourvu d'une extrémité avant ou bout (2) en forme de dôme et complètement fermé. A l'arrière du bout se trouvent deux ouvertures diamétralement opposées (6, 7) servant à l'expulsion de l'air chaud, ces ouvertures étant dirigées en biais vers l'avant et le manchon étant dépourvu d'autres ouvertures entre ces deux ouvertures.
PCT/SE1985/000330 1984-09-11 1985-09-03 Ajutage pour le soudage au gaz chaud de matieres plastiques Ceased WO1986001770A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8404542A SE447978B (sv) 1984-09-11 1984-09-11 Munstycke for att med hetluft svetsa golv- och veggmattor av plast
SE8404542-6 1984-09-11

Publications (1)

Publication Number Publication Date
WO1986001770A1 true WO1986001770A1 (fr) 1986-03-27

Family

ID=20356977

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1985/000330 Ceased WO1986001770A1 (fr) 1984-09-11 1985-09-03 Ajutage pour le soudage au gaz chaud de matieres plastiques

Country Status (3)

Country Link
EP (1) EP0221904A1 (fr)
SE (1) SE447978B (fr)
WO (1) WO1986001770A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011077091A1 (fr) * 2009-12-23 2011-06-30 Elopak Systems Ag Améliorations apportées à des dispositifs de chauffage ou s'y rapportant et procédés associés

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1092029A (fr) * 1954-01-27 1955-04-18 Chalumeau à air chaud pour le coupage et la soudure des matières plastiques et autres
DE1479492A1 (de) * 1965-09-24 1970-02-26 Messer Griesheim Gmbh Gleitschweissduese fuer thermoplastische Kunststoffe
US3853669A (en) * 1972-08-28 1974-12-10 P Werstlein Welding tip for plastic welding gun
DE3401959A1 (de) * 1983-01-20 1984-07-26 Norden Packaging Machinery AB, Kalmar Vorrichtung zum abdichten von hohlkoerpern

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1092029A (fr) * 1954-01-27 1955-04-18 Chalumeau à air chaud pour le coupage et la soudure des matières plastiques et autres
DE1479492A1 (de) * 1965-09-24 1970-02-26 Messer Griesheim Gmbh Gleitschweissduese fuer thermoplastische Kunststoffe
US3853669A (en) * 1972-08-28 1974-12-10 P Werstlein Welding tip for plastic welding gun
DE3401959A1 (de) * 1983-01-20 1984-07-26 Norden Packaging Machinery AB, Kalmar Vorrichtung zum abdichten von hohlkoerpern

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Kunststofftechnik, 12 (1973) Noll, J.Becker "Rollen-Schnellschweissvorrichtung fur das Warmgasschweissen von PVC-Halbzeng", p 301-302 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011077091A1 (fr) * 2009-12-23 2011-06-30 Elopak Systems Ag Améliorations apportées à des dispositifs de chauffage ou s'y rapportant et procédés associés

Also Published As

Publication number Publication date
EP0221904A1 (fr) 1987-05-20
SE8404542L (sv) 1986-03-12
SE8404542D0 (sv) 1984-09-11
SE447978B (sv) 1987-01-12

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