JPS5594755A - Mold of piston for internal combustion engine - Google Patents

Mold of piston for internal combustion engine

Info

Publication number
JPS5594755A
JPS5594755A JP239079A JP239079A JPS5594755A JP S5594755 A JPS5594755 A JP S5594755A JP 239079 A JP239079 A JP 239079A JP 239079 A JP239079 A JP 239079A JP S5594755 A JPS5594755 A JP S5594755A
Authority
JP
Japan
Prior art keywords
core
mold
main core
hole
dies
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP239079A
Other languages
Japanese (ja)
Other versions
JPS594222B2 (en
Inventor
Shigekado Sakakibara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP239079A priority Critical patent/JPS594222B2/en
Publication of JPS5594755A publication Critical patent/JPS5594755A/en
Publication of JPS594222B2 publication Critical patent/JPS594222B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: The mold which comprises fitting the main core and sub-core of the specific shapes into the two-split outer sides having a circular space in section and which is capable of simultaneously casting the piston provided with insulation slits of a fine width between pin-boss parts and skirt part.
CONSTITUTION: A main core 5 is inserted into the space S of two-split outer dies 1 and its pin-boss forming recesses 11 are opposed to the through-hole 3 of the outer dies. Thence, a sub-core 13 is inserted into the dies through the through- hole of the outer dies and the end face 15 of its partition part 14 is contacted to the convex edge 12 of the main core. At the same time the positioning pin 17 provided at the end of the pinhole-forming protruding part 16 is engaged in the hole 18 of the main core. If molten metal is poured into the cavity of the mold assembled in this way, a casting 22 is formed and the piston provided with U-form slits S4 of a fine width and pinhole 23 between the head part 20 and skirt part 21 is readily obtained.
COPYRIGHT: (C)1980,JPO&Japio
JP239079A 1979-01-13 1979-01-13 Mold for internal combustion engine pistons Expired JPS594222B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP239079A JPS594222B2 (en) 1979-01-13 1979-01-13 Mold for internal combustion engine pistons

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP239079A JPS594222B2 (en) 1979-01-13 1979-01-13 Mold for internal combustion engine pistons

Publications (2)

Publication Number Publication Date
JPS5594755A true JPS5594755A (en) 1980-07-18
JPS594222B2 JPS594222B2 (en) 1984-01-28

Family

ID=11527898

Family Applications (1)

Application Number Title Priority Date Filing Date
JP239079A Expired JPS594222B2 (en) 1979-01-13 1979-01-13 Mold for internal combustion engine pistons

Country Status (1)

Country Link
JP (1) JPS594222B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01272699A (en) * 1988-04-25 1989-10-31 Lion Corp Bleaching agent composition

Also Published As

Publication number Publication date
JPS594222B2 (en) 1984-01-28

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