MOLD - NISSEI ASB MACHINE CO LTD

Title:

MOLD

Document Type and Number:

WIPO Patent Application WO/2019/049970

Kind Code:

A1

Abstract:

The invention is an injection cavity mold 20 for injection molding, provided with three or more cavity rows 22 in which a plurality of cavities 21 are formed, and provided with a cooling flow path 30 through which a cooling medium for cooling the cavities 21 is allowed to flow, wherein: the cooling flow path 30 is formed of at least one supply port 31, distribution tubes 32 communicating with the supply port(s) 31, supply tubes 33 communicating with the distribution tubes 32, cavity cooling units 34 that communicate with the supply tubes 33 and are provided to the outer periphery of the cavities 21, discharge tubes 35 communicating with the cavity cooling units 34, aggregation tubes 36 communicating with the discharge tubes 35, and at least one discharge port 37 communicating with the aggregation tubes 36; and the supply tubes 33 and the discharge tubes 35 are formed so as to be parallel to the cavity rows 22 and so that there is at least one of each for each of the cavity rows 22.

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Inventors:

TAKEHANA DAIZABURO (JP)

Application Number:

PCT/JP2018/033157

Publication Date:

March 14, 2019

Filing Date:

September 07, 2018

Export Citation:

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Assignee:

NISSEI ASB MACHINE CO LTD (JP)

International Classes:

B29C45/73; B29C33/04; B29L22/00

Domestic Patent References:

WO2007034815A1

2007-03-29

Foreign References:

JP2010253792A	2010-11-11
JP2000511837A	2000-09-12
JPH09117916A	1997-05-06
US20160271850A1	2016-09-22
JP2000202884A	2000-07-25
JPH0839622A	1996-02-13
US20060263466A1	2006-11-23
JP2011194865A	2011-10-06
JP2017173440A	2017-09-28

Other References: