JPH0328291B2 - - Google Patents

Info

Publication number
JPH0328291B2
JPH0328291B2 JP58096441A JP9644183A JPH0328291B2 JP H0328291 B2 JPH0328291 B2 JP H0328291B2 JP 58096441 A JP58096441 A JP 58096441A JP 9644183 A JP9644183 A JP 9644183A JP H0328291 B2 JPH0328291 B2 JP H0328291B2
Authority
JP
Japan
Prior art keywords
hemispherical
core
sphere
mold
resin
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 - Lifetime
Application number
JP58096441A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59220342A (ja
Inventor
Hiroya Fujinawa
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.)
Sekisui Chemical Co Ltd
Original Assignee
Sekisui Chemical 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 Sekisui Chemical Co Ltd filed Critical Sekisui Chemical Co Ltd
Priority to JP9644183A priority Critical patent/JPS59220342A/ja
Publication of JPS59220342A publication Critical patent/JPS59220342A/ja
Publication of JPH0328291B2 publication Critical patent/JPH0328291B2/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
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D99/00—Subject matter not provided for in other groups of this subclass
    • B29D99/0042—Producing plain balls
    • 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
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14467—Joining articles or parts of a single article
    • 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
    • B29C45/16—Making multilayered or multicoloured articles
    • 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
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C2045/1682—Making multilayered or multicoloured articles preventing defects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/54—Balls

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP9644183A 1983-05-30 1983-05-30 合成樹脂球体の製造方法 Granted JPS59220342A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9644183A JPS59220342A (ja) 1983-05-30 1983-05-30 合成樹脂球体の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9644183A JPS59220342A (ja) 1983-05-30 1983-05-30 合成樹脂球体の製造方法

Publications (2)

Publication Number Publication Date
JPS59220342A JPS59220342A (ja) 1984-12-11
JPH0328291B2 true JPH0328291B2 (pl) 1991-04-18

Family

ID=14165101

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9644183A Granted JPS59220342A (ja) 1983-05-30 1983-05-30 合成樹脂球体の製造方法

Country Status (1)

Country Link
JP (1) JPS59220342A (pl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5081412B2 (ja) * 2006-07-28 2012-11-28 株式会社加西産業 樹脂製ボール、その製造方法及び製造装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48102861A (pl) * 1972-04-10 1973-12-24
JPS495164A (pl) * 1972-05-01 1974-01-17

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48102861A (pl) * 1972-04-10 1973-12-24
JPS495164A (pl) * 1972-05-01 1974-01-17

Also Published As

Publication number Publication date
JPS59220342A (ja) 1984-12-11

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