Title:
Sprue structure of low-pressure casting equipment and low-pressure casting equipment having the sprue
Document Type and Number:
Japanese Patent JP6366008
Kind Code:
B2
Abstract:
As illustrated in FIG. 1 , a sprue 1 for a low-pressure casting device includes a stalk connection part 11 to be connected to a stalk, a molten metal reservoir 12 and a cavity connection part 13 to be connected to the cavity. The shape of the molten metal reservoir 12 is such that the perimeter of the cross section perpendicular to the flow direction of molten metal gradually increases toward the cavity connection part 13 while the area of the cross section remains constant.
Inventors:
Sugiyama Yudai
Shvera curl
Giichiro Okamura
Shvera curl
Giichiro Okamura
Application Number:
JP2017500216A
Publication Date:
August 01, 2018
Filing Date:
February 19, 2015
Export Citation:
Assignee:
Nissan Motor Co., Ltd
International Classes:
B22D18/04; B22C9/08
Domestic Patent References:
| JP2014050883A | ||||
| JP10034311A | ||||
| JP2011189371A |
Attorney, Agent or Firm:
Janggi Motonori