KR880017659U - Large undercut processing device by angular pin of injection mold - Google Patents

Large undercut processing device by angular pin of injection mold

Info

Publication number
KR880017659U
KR880017659U KR2019870003928U KR870003928U KR880017659U KR 880017659 U KR880017659 U KR 880017659U KR 2019870003928 U KR2019870003928 U KR 2019870003928U KR 870003928 U KR870003928 U KR 870003928U KR 880017659 U KR880017659 U KR 880017659U
Authority
KR
South Korea
Prior art keywords
processing device
injection mold
angular pin
undercut processing
large undercut
Prior art date
Application number
KR2019870003928U
Other languages
Korean (ko)
Other versions
KR900004217Y1 (en
Inventor
이범경
Original Assignee
삼성전자 주식회사
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 삼성전자 주식회사 filed Critical 삼성전자 주식회사
Priority to KR2019870003928U priority Critical patent/KR900004217Y1/en
Publication of KR880017659U publication Critical patent/KR880017659U/en
Application granted granted Critical
Publication of KR900004217Y1 publication Critical patent/KR900004217Y1/en

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
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/44—Removing or ejecting moulded articles for undercut articles
    • B29C45/4435—Removing or ejecting moulded articles for undercut articles using inclined, tiltable or flexible undercut forming elements driven by the ejector means
    • 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
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/4005—Ejector constructions; Ejector operating mechanisms
    • B29C45/401—Ejector pin constructions or mountings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/058—Undercut

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
KR2019870003928U 1987-03-26 1987-03-26 A unit for a avoiding a large undercut by an angular pin of injection mould KR900004217Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870003928U KR900004217Y1 (en) 1987-03-26 1987-03-26 A unit for a avoiding a large undercut by an angular pin of injection mould

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870003928U KR900004217Y1 (en) 1987-03-26 1987-03-26 A unit for a avoiding a large undercut by an angular pin of injection mould

Publications (2)

Publication Number Publication Date
KR880017659U true KR880017659U (en) 1988-10-26
KR900004217Y1 KR900004217Y1 (en) 1990-05-12

Family

ID=19260928

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870003928U KR900004217Y1 (en) 1987-03-26 1987-03-26 A unit for a avoiding a large undercut by an angular pin of injection mould

Country Status (1)

Country Link
KR (1) KR900004217Y1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100684354B1 (en) * 2005-12-29 2007-02-22 한국단자공업 주식회사 Slide core locking structure for mold assembly

Also Published As

Publication number Publication date
KR900004217Y1 (en) 1990-05-12

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Legal Events

Date Code Title Description
A201 Request for examination
O032 Opposition [utility model]: request for opposition
E701 Decision to grant or registration of patent right
O071 Decision to grant registration after opposition [utility model]: decision to grant registration
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19970829

Year of fee payment: 10

LAPS Lapse due to unpaid annual fee