FR2485986A1 - Dispositif pour agrandir des tubes en polymeres se contractant a chaud - Google Patents

Dispositif pour agrandir des tubes en polymeres se contractant a chaud

Info

Publication number
FR2485986A1
FR2485986A1 FR8014844A FR8014844A FR2485986A1 FR 2485986 A1 FR2485986 A1 FR 2485986A1 FR 8014844 A FR8014844 A FR 8014844A FR 8014844 A FR8014844 A FR 8014844A FR 2485986 A1 FR2485986 A1 FR 2485986A1
Authority
FR
France
Prior art keywords
sleeves
tube
chamber
hand
appts
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
FR8014844A
Other languages
English (en)
Other versions
FR2485986B1 (fr
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.)
AKUTIN MODEST
Original Assignee
AKUTIN MODEST
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 to DE3024284A priority Critical patent/DE3024284C2/de
Application filed by AKUTIN MODEST filed Critical AKUTIN MODEST
Priority to FR8014844A priority patent/FR2485986A1/fr
Publication of FR2485986A1 publication Critical patent/FR2485986A1/fr
Application granted granted Critical
Publication of FR2485986B1 publication Critical patent/FR2485986B1/fr
Granted 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
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/06—Making preforms having internal stresses, e.g. plastic memory
    • B29C61/08—Making preforms having internal stresses, e.g. plastic memory by stretching tubes
    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/22—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes
    • B29C55/24—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes radial

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

CE DISPOSITIF COMPORTE UNE CHAMBRE D'ENTREE 2 ET UNE CHAMBRE DE SORTIE ET DE REFROIDISSEMENT 3, COAXIALES ET PLACEES SUCCESSIVEMENT, EN CONTACT DIRECT, L'UNE DERRIERE L'AUTRE, DANS LE SENS D'AVANCEMENT DU TUBE POLYMERE 1. CHACUNE DES CHAMBRES 2 ET 3 EST CONSTITUEE PAR DES DOUILLES CONJUGUEES 4, 5, 6, 7, 10, 11, 12, 13 AYANT DES FILETAGES 8, 9, 14, 15 SUR LEUR SURFACE INTERIEURE. LES FILETAGES 8, 9, 14, 15 DES DOUILLES VOISINES 4, 5, 6, 7, 10, 11, 12, 13 DE CHAQUE CHAMBRE 2 ET 3 SONT DE SENS CONTRAIRES. LE GROUPE DE DOUILLES 4, 5, 6, 7, 10, 11, 12, 13 DE CHAQUE CHAMBRE 2, 3 AYANT DES FILETAGES 8, 9, 14, 15 DE MEME SENS EST DOTE D'UNE COMMANDE INDIVIDUELLE 16, 17, 18, 19 DE MOUVEMENT DE ROTATION. CE DISPOSITIF PEUT ETRE UTILISE POUR FABRIQUER DES TUBES POLYMERES SE CONTRACTANT A CHAUD ET COMME DISPOSITIF DE TRANSPORT DEPLACANT LES TUBES A UNE VITESSE PREDETERMINEE.
FR8014844A 1980-06-27 1980-07-03 Dispositif pour agrandir des tubes en polymeres se contractant a chaud Granted FR2485986A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE3024284A DE3024284C2 (de) 1980-06-27 1980-06-27 Vorrichtung zum Aufweiten eines beim Erwärmen schwindenden Rohres aus Kunststoff
FR8014844A FR2485986A1 (fr) 1980-06-27 1980-07-03 Dispositif pour agrandir des tubes en polymeres se contractant a chaud

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3024284A DE3024284C2 (de) 1980-06-27 1980-06-27 Vorrichtung zum Aufweiten eines beim Erwärmen schwindenden Rohres aus Kunststoff
FR8014844A FR2485986A1 (fr) 1980-06-27 1980-07-03 Dispositif pour agrandir des tubes en polymeres se contractant a chaud

Publications (2)

Publication Number Publication Date
FR2485986A1 true FR2485986A1 (fr) 1982-01-08
FR2485986B1 FR2485986B1 (fr) 1984-01-06

Family

ID=25786260

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8014844A Granted FR2485986A1 (fr) 1980-06-27 1980-07-03 Dispositif pour agrandir des tubes en polymeres se contractant a chaud

Country Status (2)

Country Link
DE (1) DE3024284C2 (fr)
FR (1) FR2485986A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE451249B (sv) * 1984-01-27 1987-09-21 Wirsbo Bruks Ab Forfarande for framstellning av ett lettbojligt plastror med atminstone en krage
DE3427732A1 (de) * 1984-07-27 1986-03-20 Overbeck GmbH & Co, 2800 Bremen Laengenveraenderbarer Trinkhalm und Verfahren zu dessen Herstellung
JPH05505376A (ja) * 1991-01-26 1993-08-12 ビューラー・アクチェンゲゼルシャフト・マシイネンファブリーク 袋を自動的に準備する方法および袋装着装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1294975A (fr) * 1960-05-06 1962-06-01 Du Pont Procédé et appareil pour la fabrication de tuyaux thermoplastiques

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3270112A (en) * 1963-02-20 1966-08-30 Int Vulcanizing Corp Method of making shoes

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1294975A (fr) * 1960-05-06 1962-06-01 Du Pont Procédé et appareil pour la fabrication de tuyaux thermoplastiques

Also Published As

Publication number Publication date
DE3024284A1 (de) 1982-01-21
DE3024284C2 (de) 1982-11-25
FR2485986B1 (fr) 1984-01-06

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Legal Events

Date Code Title Description
ST Notification of lapse