JPH0521725B2 - - Google Patents

Info

Publication number
JPH0521725B2
JPH0521725B2 JP28284188A JP28284188A JPH0521725B2 JP H0521725 B2 JPH0521725 B2 JP H0521725B2 JP 28284188 A JP28284188 A JP 28284188A JP 28284188 A JP28284188 A JP 28284188A JP H0521725 B2 JPH0521725 B2 JP H0521725B2
Authority
JP
Japan
Prior art keywords
sprue
piston
mold
bottomed cylindrical
cavity
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.)
Expired - Fee Related
Application number
JP28284188A
Other languages
English (en)
Japanese (ja)
Other versions
JPH02128811A (ja
Inventor
Shinichi Umefuji
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.)
Fuji Univance Corp
Original Assignee
Fuji Iron Works Co Ltd
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 Fuji Iron Works Co Ltd filed Critical Fuji Iron Works Co Ltd
Priority to JP28284188A priority Critical patent/JPH02128811A/ja
Publication of JPH02128811A publication Critical patent/JPH02128811A/ja
Publication of JPH0521725B2 publication Critical patent/JPH0521725B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/2701—Details not specific to hot or cold runner channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
JP28284188A 1988-11-09 1988-11-09 有底筒状ピストンの成形方法 Granted JPH02128811A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP28284188A JPH02128811A (ja) 1988-11-09 1988-11-09 有底筒状ピストンの成形方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP28284188A JPH02128811A (ja) 1988-11-09 1988-11-09 有底筒状ピストンの成形方法

Publications (2)

Publication Number Publication Date
JPH02128811A JPH02128811A (ja) 1990-05-17
JPH0521725B2 true JPH0521725B2 (enrdf_load_stackoverflow) 1993-03-25

Family

ID=17657767

Family Applications (1)

Application Number Title Priority Date Filing Date
JP28284188A Granted JPH02128811A (ja) 1988-11-09 1988-11-09 有底筒状ピストンの成形方法

Country Status (1)

Country Link
JP (1) JPH02128811A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115539374B (zh) * 2022-11-29 2023-03-28 合肥精创科技有限公司 一种高性能聚氨酯活塞及其制备方法及装置

Also Published As

Publication number Publication date
JPH02128811A (ja) 1990-05-17

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees