The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 31, 2017

Filed:

Oct. 22, 2012
Applicant:

Discma Ag, Hunenberg, CH;

Inventors:

Sumito Sato, Tokyo, JP;

Nobuyuki Tamura, Tokyo, JP;

Takeshi Nagashima, Tokyo, JP;

Assignee:

DISCMA AG, Hunenberg, CH;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B29C 49/48 (2006.01); B29C 49/58 (2006.01); B29C 49/28 (2006.01); B29C 49/06 (2006.01); B29C 49/12 (2006.01); B29K 101/12 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
B29C 49/4802 (2013.01); B29C 49/28 (2013.01); B29C 49/58 (2013.01); B29C 49/06 (2013.01); B29C 49/12 (2013.01); B29C 2049/5803 (2013.01); B29K 2101/12 (2013.01); B29L 2031/712 (2013.01); B29L 2031/7158 (2013.01);
Abstract

To effectively prevent a mouth portion of a preform from being deformed and enlarged in diameter during blow molding, provided is a blow molding device that includes: a blow mold inside which a cavity is provided for accommodating therein a preform, except for a mouth portion which is an orifice end of the preform, the preform being preformed in a bottomed tubular shape; a blow nozzle provided to supply a pressurized fluid into the preform through the mouth portion of the preform; a partition wall member that tightly surrounds an outer wall surface of the mouth portion of the preform; with space being formed between the partition wall member and the outer wall surface; and a pressurized fluid supply unit that supplies a pressurized fluid into the space during blow molding.


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