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1. WO2010026904 - APPARATUS AND METHOD FOR DRYING A THERMOPLASTIC SHEET

Publication Number WO/2010/026904
Publication Date 11.03.2010
International Application No. PCT/JP2009/064896
International Filing Date 20.08.2009
IPC
B29C 37/00 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
37Component parts, details, accessories or auxiliary operations, not covered by group B29C33/ or B29C35/144
B29C 71/00 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
71After-treatment of articles without altering their shape; Apparatus therefor
F26B 13/28 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
26DRYING
BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
13Machines or apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
24Arrangements of devices using drying processes not involving heating
28for applying pressure; for brushing; for wiping
CPC
B29C 37/0092
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
37Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
0092Drying moulded articles or half products, e.g. preforms, during or after moulding or cooling
B29C 71/009
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
71After-treatment of articles without altering their shape; Apparatus therefor
009using gases without chemical reaction
F26B 13/28
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
26DRYING
BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
13Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
24Arrangements of devices using drying processes not involving heating
28for applying pressure; for brushing; for wiping
F26B 21/14
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
26DRYING
BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
21Arrangements ; or duct systems, e.g. in combination with pallet boxes,; for supplying and controlling air or gases for drying solid materials or objects
14using gases or vapours other than air or steam ; , e.g. inert gases
Applicants
  • Toray Tonen Specialty Separator Godo Kaisha [JP]/[JP] (AllExceptUS)
  • YAMAGUCHI, Soichiro [JP]/[JP] (UsOnly)
  • KUZUNO, Hiroshige [JP]/[JP] (UsOnly)
  • NOGATA, Tetsuro [JP]/[JP] (UsOnly)
Inventors
  • YAMAGUCHI, Soichiro
  • KUZUNO, Hiroshige
  • NOGATA, Tetsuro
Agents
  • YAMASAKI, Yukuzo
Priority Data
08169554.620.11.2008EP
61/093,90303.09.2008US
61/103,46207.10.2008US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) APPARATUS AND METHOD FOR DRYING A THERMOPLASTIC SHEET
(FR) APPAREIL ET PROCÉDÉ DE SÉCHAGE D'UNE FEUILLE THERMOPLASTIQUE
Abstract
(EN) An apparatus for drying a microporous thermoplastic sheet is described. Such an apparatus includes a means for providing a porous sheet comprising at least one thermoplastic composition and having an amount of diluent therein; a roller for contacting a first surface of the sheet and conveying the sheet in a travel direction during drying; and at least one means for directing a stream of inert gas to a second surface of the sheet, said means positioned to provide the stream at an angle, β, ranging from about 30° to about 150°; wherein β is the angle formed by the direction of the stream and the line formed by the center of the roller and the median point where the film contacts roller. Related methods of drying a thermoplastic film are also described.
(FR) La présente invention concerne un appareil destiné au séchage d'une feuille thermoplastique microporeuse. Un tel appareil comprend: un organe servant à produire une feuille poreuse comprenant au moins une composition thermoplastique et renfermant une certaine quantité de diluant; un cylindre prévu pour entrer en contact avec une première surface de la feuille et faire avancer la feuille dans un sens de déplacement pendant le séchage; et au moins un organe pour diriger un courant de gaz inerte vers une seconde surface de la feuille, cet organe étant disposé de façon à délivrer le courant de gaz selon un angle β allant de 30° à 150°. En l'occurrence, β est l'angle formé entre l'axe du courant de gaz et la ligne formée par le centre du cylindre et le point médian où le film touche le cylindre. L'invention concerne également les procédés correspondants de séchage d'un film thermoplastique.
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