JP7291843B1 - 樹脂成形品の製造方法、射出成形型および樹脂成形品 - Google Patents

樹脂成形品の製造方法、射出成形型および樹脂成形品 Download PDF

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Publication number
JP7291843B1
JP7291843B1 JP2022208612A JP2022208612A JP7291843B1 JP 7291843 B1 JP7291843 B1 JP 7291843B1 JP 2022208612 A JP2022208612 A JP 2022208612A JP 2022208612 A JP2022208612 A JP 2022208612A JP 7291843 B1 JP7291843 B1 JP 7291843B1
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JP
Japan
Prior art keywords
mold
molding
molded product
forming
space
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Application number
JP2022208612A
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English (en)
Japanese (ja)
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JP2024092574A (ja
Inventor
篤史 池田
潤一 石森
佑一朗 丹野
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.)
Nok Corp
Original Assignee
Nok Corp
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 Nok Corp filed Critical Nok Corp
Priority to JP2022208612A priority Critical patent/JP7291843B1/ja
Priority to JP2023092599A priority patent/JP2024092916A/ja
Application granted granted Critical
Publication of JP7291843B1 publication Critical patent/JP7291843B1/ja
Priority to KR1020257018468A priority patent/KR20250103739A/ko
Priority to EP23911779.9A priority patent/EP4644080A1/en
Priority to PCT/JP2023/045050 priority patent/WO2024142998A1/ja
Priority to CN202380083437.3A priority patent/CN120322322A/zh
Publication of JP2024092574A publication Critical patent/JP2024092574A/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
    • F16J15/188—Split assemblies
    • 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
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • 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
    • B29C45/2616—Moulds having annular mould cavities
    • 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
    • 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
    • B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
    • 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
    • B29C45/4407—Removing or ejecting moulded articles for undercut articles by flexible movement of undercut portions of the articles
    • 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
    • B29D99/0053—Producing sealings
    • 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
    • B29D99/0082—Producing articles in the form of closed loops, e.g. rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3268—Mounting of sealing rings
    • F16J15/3272—Mounting of sealing rings the rings having a break or opening, e.g. to enable mounting on a shaft otherwise than from a shaft end
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/328—Manufacturing methods specially adapted for elastic sealings
    • 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
    • B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
    • B29C2045/0034—Mould parting lines
    • 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
    • B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Sealing Devices (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP2022208612A 2022-12-26 2022-12-26 樹脂成形品の製造方法、射出成形型および樹脂成形品 Active JP7291843B1 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2022208612A JP7291843B1 (ja) 2022-12-26 2022-12-26 樹脂成形品の製造方法、射出成形型および樹脂成形品
JP2023092599A JP2024092916A (ja) 2022-12-26 2023-06-05 樹脂成形品の製造方法、射出成形型および樹脂成形品
KR1020257018468A KR20250103739A (ko) 2022-12-26 2023-12-15 수지 성형품의 제조 방법, 사출 성형형 및 수지 성형품
EP23911779.9A EP4644080A1 (en) 2022-12-26 2023-12-15 Production method for resin molding, injection molding mold, and resin molding
PCT/JP2023/045050 WO2024142998A1 (ja) 2022-12-26 2023-12-15 樹脂成形品の製造方法、射出成形型および樹脂成形品
CN202380083437.3A CN120322322A (zh) 2022-12-26 2023-12-15 树脂模制品的制造方法、注射模具和树脂模制品

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2022208612A JP7291843B1 (ja) 2022-12-26 2022-12-26 樹脂成形品の製造方法、射出成形型および樹脂成形品

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2023092599A Division JP2024092916A (ja) 2022-12-26 2023-06-05 樹脂成形品の製造方法、射出成形型および樹脂成形品

Publications (2)

Publication Number Publication Date
JP7291843B1 true JP7291843B1 (ja) 2023-06-15
JP2024092574A JP2024092574A (ja) 2024-07-08

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JP2022208612A Active JP7291843B1 (ja) 2022-12-26 2022-12-26 樹脂成形品の製造方法、射出成形型および樹脂成形品
JP2023092599A Pending JP2024092916A (ja) 2022-12-26 2023-06-05 樹脂成形品の製造方法、射出成形型および樹脂成形品

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JP2023092599A Pending JP2024092916A (ja) 2022-12-26 2023-06-05 樹脂成形品の製造方法、射出成形型および樹脂成形品

Country Status (5)

Country Link
EP (1) EP4644080A1 (https=)
JP (2) JP7291843B1 (https=)
KR (1) KR20250103739A (https=)
CN (1) CN120322322A (https=)
WO (1) WO2024142998A1 (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002089718A (ja) * 1994-06-30 2002-03-27 Ntn Corp 合成樹脂製シールリング
JP2022000590A (ja) * 2017-01-10 2022-01-04 サン−ゴバン パフォーマンス プラスティクス エルプラスエス ゲーエムベーハー 射出成形シールリングおよびそれらを製造する方法
JP2022146093A (ja) * 2021-03-22 2022-10-05 Ntn株式会社 シールリングの製造方法および成形金型

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5359381B2 (ja) * 2009-03-04 2013-12-04 Ｎｏｋ株式会社 シールリングの癖付け方法、シールリングの癖付け装置及びシールリング
JP2017133571A (ja) 2016-01-26 2017-08-03 Nok株式会社 密封装置
JP2017207079A (ja) * 2016-05-16 2017-11-24 三菱電線工業株式会社 シールリングの製造方法及び射出成形金型

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002089718A (ja) * 1994-06-30 2002-03-27 Ntn Corp 合成樹脂製シールリング
JP2022000590A (ja) * 2017-01-10 2022-01-04 サン−ゴバン パフォーマンス プラスティクス エルプラスエス ゲーエムベーハー 射出成形シールリングおよびそれらを製造する方法
JP2022146093A (ja) * 2021-03-22 2022-10-05 Ntn株式会社 シールリングの製造方法および成形金型

Also Published As

Publication number Publication date
EP4644080A1 (en) 2025-11-05
WO2024142998A1 (ja) 2024-07-04
CN120322322A (zh) 2025-07-15
JP2024092916A (ja) 2024-07-08
KR20250103739A (ko) 2025-07-07
JP2024092574A (ja) 2024-07-08

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