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1. WO2020110516 - BLOW MOLDING DEVICE

Publication Number WO/2020/110516
Publication Date 04.06.2020
International Application No. PCT/JP2019/041392
International Filing Date 21.10.2019
IPC
B29C 49/12 2006.01
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
49Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
08Biaxial stretching during blow-moulding
10using mechanical means
12Stretching rods
B29C 49/46 2006.01
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
49Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
42Component parts, details or accessories; Auxiliary operations
46characterised by using particular environment or blow fluids other than air
CPC
B29C 49/12
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
49Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
08Biaxial stretching during blow-moulding ; with or without prestretching
10using mechanical means ; for prestretching
12Stretching rods
B29C 49/46
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
49Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
42Component parts, details or accessories; Auxiliary operations
46characterised by using a particular environment or blow fluids other than air
Applicants
  • 株式会社吉野工業所 YOSHINO KOGYOSHO CO., LTD. [JP]/[JP]
Inventors
  • 星野 英明 HOSHINO Hideaki
  • 塩川 満 SHIOKAWA Mitsuru
  • 奥山 雄一 OKUYAMA Yuichi
Agents
  • 杉村 憲司 SUGIMURA Kenji
Priority Data
2018-22159527.11.2018JP
2019-17350524.09.2019JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) BLOW MOLDING DEVICE
(FR) DISPOSITIF DE MOULAGE PAR SOUFFLAGE
(JA) ブロー成形装置
Abstract
(EN)
A blow molding device (1) is provided with a nozzle (7), a pressurized fluid supply source (10), a seal body (11), and a rod (16). The seal body (11) is provided with a cylinder wall (11b). An inner peripheral surface of the seal body (11) has a communication recessed part (17) extending from the lower end of the cylinder wall (11b) to a communication hole (18) opening onto an outer peripheral surface of the cylinder wall (11b). The nozzle (7) has a communication path (20). The blow molding device (1) is further provided with at least one of a fluid suction source (22) that is capable of sucking an incompressible fluid from the communication recessed part (17) via the communication path (20) and the communication port (18) and a pressurized gas supply source that is capable of supplying pressurized gas for blowing the incompressible fluid from the communication recessed part (17) via the communication path (20) and the communication port (18).
(FR)
La présente invention concerne un dispositif de moulage par soufflage (1) doté d'une buse (7), d'une source d'alimentation en fluide sous pression (10), d'un corps d'étanchéité (11) et d'une tige (16). Le corps d'étanchéité (11) est équipé d’une paroi de cylindre (11b). Une surface périphérique interne du corps d'étanchéité (11) inclut une partie de communication évidée (17) qui s'étend de l'extrémité inférieure de la paroi de cylindre (11b) jusqu'à un orifice de communication (18) qui s'ouvre sur une surface périphérique externe de la paroi de cylindre (11b). La buse (7) inclut également un trajet de communication (20). Le dispositif de moulage par soufflage (1) comprend en outre une source d'aspiration de fluide (22) susceptible d'aspirer un fluide incompressible depuis la partie de communication évidée (17) par l'intermédiaire du trajet de communication (20) et de l'orifice de communication (18) et/ou une source d'alimentation en gaz sous pression susceptible de fournir un gaz sous pression pour souffler le fluide incompressible à partir de la partie de communication évidée (17) par l'intermédiaire du trajet de communication (20) et de l'orifice de communication (18).
(JA)
ノズル(7)と、加圧流体供給源(10)と、シール体(11)と、ロッド(16)とを備え、シール体(11)は筒壁(11b)を備え、シール体(11)の内周面には、筒壁(11b)の下端から筒壁(11b)の外周面に開口する連通口(18)まで延在する連通凹部(17)が設けられており、ノズル(7)には連通路(20)が設けられており、連通路(20)及び連通口(18)を通じて連通凹部(17)から非圧縮性流体を吸引可能な流体吸引源(22)と、連通路(20)及び連通口(18)を通じて連通凹部(17)から非圧縮性流体を吹き飛ばす加圧された気体を供給可能な加圧気体供給源との少なくとも一方をさらに備える、ブロー成形装置(1)。
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