[특허]Biaxially-stretch-blow-molded container having excellent heat resistance and method of producing the same

[미국특허] Biaxially-stretch-blow-molded container having excellent heat resistance and method of producing the same 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B29C-049/18
출원번호	US-0442401 (1995-05-16)
우선권정보	JP-0100365 (1994-05-16)
발명자 / 주소	Nakamaki Setsuko (Yokohama JPX) Maruhashi Yoshitsugu (Yokohama JPX) Kato Nobuyuki (Yokohama JPX) Matsuno Kenji (Yokohama JPX) Kurashima Hideo (Yokosuka JPX) Ikegami Hiroo (Sagamihara JPX) Takeuchi Ki
출원인 / 주소	Toyo Seikan Kaisha, Ltd. (Tokyo JPX 03)
인용정보	피인용 횟수 : 13 인용 특허 : 6

초록 ▼

A biaxially-stretch-blow-molded container and a method of producing the same. Redraw ratio at the bottom portion is small in the secondary blow molding without employing a complex heating system but in which a secondary article obtained by subjecting a preform article to the primary blow molding is preferentially shrunk at its bottom portion, and a tertiary article or a quaternally article before being subjected to the secondary blow molding is obtained having a bottom of a flat shape or in which the central portion is recessed inwardly of the container and the periphery thereof is flattened. The bottle obtained by this method has a thickness and crystallinity in the bottom portion which are nearly the same as those of the center of the barrel and are highly oriented. The heat-resistant bottle exhibits excellent strength in the bottom portion and symmetrical panel-sinking stability in the vacuum pressure.

대표청구항 ▼

A method of producing a biaxially-stretch-blow-molded container by blow-molding a cylindrical preform article with bottom that is heated at a drawing temperature, comprising: a step for subjecting the preform article to a primary blow molding to obtain a biaxially drawn secondary article having a domed bottom portion without substantially containing undrawn portions; a step for heating the domed bottom portion of the secondary article to preferentially shrink the bottom portion in order to obtain a tertiary article having a flat bottom portion; a step for heating the tertiary article inclusive of the bottom portion and a barrel portion thereof in order to obtain a quaternary article of which the barrel portion is chiefly shrunk; and a step for subjecting the heated quaternary article to a secondary blow molding.

이 특허에 인용된 특허 (6) 인용/피인용 타임라인 분석

Amari Fumiya (Komoro JPX) Takeuchi Tosimichi (Komoro JPX), Heat resistant container molding method.
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Rosenkranz Otto (Hamburg DT) Seifert Karl-Heinrich (Hamburg DT), Method for blow molding a hollow plastic article having a concave base.
상세보기
Ota Akiho (Funabashi JPX) Negishi Fumio (Tokyo JPX), Polyester container.
상세보기
Kinoshita Harumi (Tokyo JPX) Kushida Hideo (Tokyo JPX) Itakura Takeshi (Tokyo JPX) Akutsu Masao (Tokyo JPX) Takada Takuzo (Tokyo JPX) Sugiura Hiroaki (Tokyo JPX), Process for preparing saturated polyester resin bottles.
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Salame Morris (Windsor CT), Process for preparing thermoplastic containers.
상세보기
Denis Gerard (Turretot FRX) Evrard Alain (Le Havre FRX), Thermal treatment unit for the manufacture of pet containers.
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이 특허를 인용한 특허 (13) 인용/피인용 타임라인 분석

Beck, Martin H., Blow molded container with memory shrink closure attachment and method of making the same.
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Gamel, Melissa J.; Macauley, R. Peter; Stokesbury, Elwood L.; Harp, Douglas A.; Barca, John G.; Yuan, Jay Z., Container.
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Gamel, Melissa J.; Macauley, R. Peter; Stokesbury, Elwood L.; Harp, Douglas A.; Barca, John G.; Yuan, Jay Z., Container and cap.
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Knapp, Peter, Device and method for producing plastic containers and plastic containers produced by said method.
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Dranger Jan,SEX ITX 181 34, Elements for furniture items, furniture items including such elements and method of manufacturing of such elements.
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Matsuno Kenji,JPX ; Kato Nobuyuki,JPX ; Ikegami Hiroo,JPX ; Nakamaki Setsuko,JPX ; Takeuchi Kimio,JPX ; Fukabori Hotaka,JPX ; Maruhashi Yoshitsugu,JPX ; Kurashima Hideo,JPX, Heat-resistance pressure-resistance and self standing container and method of producing thereof.
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Iwasaki, Tsutomu; Kogure, Masahito; Iwamoto, Hisao; Suenaga, Ryo, Heat-resistant resin container and method of producing the same.
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Outreman Jean-Tristan,FRX ; Feuilloley Guy,FRX, Installation for manufacturing thermoplastic receptacles.
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McCrary, Robert Ellis, Method and apparatus for stretch blow molding a container.
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Deau, Thierry; Derrien, Mikael; Protais, Pierrick; Santais, Franck, Method for manufacturing containers, including an anticipated boxing operation.
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Yaguchi,Hiromi; Ishizuka,Tomohiko; Uesugi,Daisuke, Method for producing bottle-shaped container mainly made of polyethylene terephthalate resin.
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Tsuchiya Yoichi,JPX, Method of molding a heat-resistant container.
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Greenland, Steven J., Unitized package and method of making same.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Biaxially-stretch-blow-molded container having excellent heat resistance and method of producing the same 원문보기