FR2321378A1 - Procede et noyau pour la fabrication de corps creux flexibles ouverts de plusieurs cotes - Google Patents

Procede et noyau pour la fabrication de corps creux flexibles ouverts de plusieurs cotes

Info

Publication number
FR2321378A1
FR2321378A1 FR7529829A FR7529829A FR2321378A1 FR 2321378 A1 FR2321378 A1 FR 2321378A1 FR 7529829 A FR7529829 A FR 7529829A FR 7529829 A FR7529829 A FR 7529829A FR 2321378 A1 FR2321378 A1 FR 2321378A1
Authority
FR
France
Prior art keywords
core
manufacturing
hollow bodies
flexible hollow
several sides
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
FR7529829A
Other languages
English (en)
French (fr)
Other versions
FR2321378B1 (OSRAM
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.)
Wolf Woco & Co Franz J
Woco Franz Josef Wolf and Co GmbH
Original Assignee
Wolf Woco & Co Franz J
Woco Franz Josef Wolf and Co GmbH
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 Wolf Woco & Co Franz J, Woco Franz Josef Wolf and Co GmbH filed Critical Wolf Woco & Co Franz J
Publication of FR2321378A1 publication Critical patent/FR2321378A1/fr
Application granted granted Critical
Publication of FR2321378B1 publication Critical patent/FR2321378B1/fr
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
    • B29C45/261—Moulds having tubular mould cavities
    • B29C45/2614—Moulds having tubular mould cavities for manufacturing bent tubular articles using an undercut forming mould core
    • 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
    • B29C33/0033—Moulds or cores; Details thereof or accessories therefor constructed for making articles provided with holes
    • 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
    • B29C33/448—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 destructible
    • 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
    • B29C33/76—Cores
    • 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
    • B29C45/261—Moulds having tubular 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
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/44—Removing or ejecting moulded articles for undercut articles
    • B29C45/4457—Removing or ejecting moulded articles for undercut articles using fusible, soluble or destructible cores
    • 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
    • B29L2031/24—Pipe joints or couplings
    • B29L2031/243—Elbows
    • 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
    • B29L2031/60—Multitubular or multicompartmented articles, e.g. honeycomb
    • B29L2031/601—Multi-tubular articles, i.e. composed of a plurality of tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
FR7529829A 1975-08-21 1975-09-24 Procede et noyau pour la fabrication de corps creux flexibles ouverts de plusieurs cotes Granted FR2321378A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752537251 DE2537251C3 (de) 1975-08-21 1975-08-21 Verfahren zur Herstellung eines mehrseitig offenen Hohlkörpers und einstückiger Formkern zur Durchführung dieses Verfahrens

Publications (2)

Publication Number Publication Date
FR2321378A1 true FR2321378A1 (fr) 1977-03-18
FR2321378B1 FR2321378B1 (OSRAM) 1980-04-25

Family

ID=5954519

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7529829A Granted FR2321378A1 (fr) 1975-08-21 1975-09-24 Procede et noyau pour la fabrication de corps creux flexibles ouverts de plusieurs cotes

Country Status (4)

Country Link
JP (1) JPS596205B2 (OSRAM)
DE (1) DE2537251C3 (OSRAM)
FR (1) FR2321378A1 (OSRAM)
GB (1) GB1520258A (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0384924A1 (en) * 1989-02-28 1990-09-05 Asahi Kasei Kogyo Kabushiki Kaisha A process for producing a resin product having a bent hollow portion and a core usable for the same process
WO2001060581A1 (en) * 2000-02-17 2001-08-23 Cerabio, Llc Injection molding with sacrificial inserts

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR7616959A (OSRAM) * 1976-02-18
JPS60205993A (ja) * 1984-03-29 1985-10-17 東芝ライテック株式会社 照明制御システム
JPS6486483A (en) * 1987-09-29 1989-03-31 Toshiba Electric Equip Illumination control system
GB2269771B (en) * 1992-07-30 1996-05-22 Masaru Nemoto Method of moulding articles
DE4240017C2 (de) * 1992-11-27 2001-03-15 Wolf Woco & Co Franz J Verfahren zur Herstellung von zumindest zweiseitig offenen hohlen Formteilen
FR2962768B1 (fr) * 2010-07-16 2014-09-12 Mann & Hummel Gmbh Procede de moulage du corps d'un collecteur d'admission d'air pour moteur a combustion interne en matiere plastique
US10076853B2 (en) 2010-12-30 2018-09-18 United States Gypsum Company Slurry distributor, system, and method for using same
US9999989B2 (en) 2010-12-30 2018-06-19 United States Gypsum Company Slurry distributor with a profiling mechanism, system, and method for using same
NZ613438A (en) 2010-12-30 2015-05-29 United States Gypsum Co Slurry distribution system and method
US9296124B2 (en) 2010-12-30 2016-03-29 United States Gypsum Company Slurry distributor with a wiping mechanism, system, and method for using same
EP2658695B1 (en) 2010-12-30 2018-06-13 United States Gypsum Company Slurry distributor, system and method for using same
EP2763623B1 (en) 2011-10-07 2016-07-06 Materialise N.V. Methods for the manufacture of intraluminal endoprosthesis
ES2606019T3 (es) 2011-10-24 2017-03-17 United States Gypsum Company Empalme de descarga con múltiples ramas para la distribución de lechada
JP6298763B2 (ja) 2011-10-24 2018-03-20 ユナイテッド・ステイツ・ジプサム・カンパニー 水性セメントスラリ分配用フロースプリッタ、セメントスラリ混合および分注アセンブリ、ならびに、セメント製品を調製する方法
AR088522A1 (es) 2011-10-24 2014-06-18 United States Gypsum Co Molde para multiples piezas y metodo para construir un distribuidor de lechada
US9034455B2 (en) * 2012-06-28 2015-05-19 Avent, Inc. Branching core-pin assembly and system for forming branching channels
JP6270856B2 (ja) 2012-10-05 2018-01-31 マテリアライズ エン．フェー． カスタマイズされた大動脈ステントデバイスおよびそれを作製する方法
US10059033B2 (en) 2014-02-18 2018-08-28 United States Gypsum Company Cementitious slurry mixing and dispensing system with pulser assembly and method for using same
MX2017002235A (es) * 2014-09-26 2017-05-09 Avent Inc Ensamble de pasador de un solo nucleo que crea dos retenedores de valvula independientes para cabezal de alimentacion enterica.
JP6779654B2 (ja) * 2015-05-25 2020-11-04 キヤノン株式会社 液体吐出ヘッドの製造方法
DE102016218025A1 (de) 2016-09-20 2018-03-22 Bayerische Motoren Werke Aktiengesellschaft Erzeugung eines Faserverbundbauteilkomplexes
DE102017120503B4 (de) * 2017-09-06 2020-02-13 Holzammer Kunststofftechnik GmbH Spritzgegossenes Sammelrohr für einen Wärmetauscher, Werkzeug zum Spritzgießen und Verfahren zum Herstellen eines Solchen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4719353A (OSRAM) * 1971-02-18 1972-09-21

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0384924A1 (en) * 1989-02-28 1990-09-05 Asahi Kasei Kogyo Kabushiki Kaisha A process for producing a resin product having a bent hollow portion and a core usable for the same process
WO2001060581A1 (en) * 2000-02-17 2001-08-23 Cerabio, Llc Injection molding with sacrificial inserts
US6547210B1 (en) 2000-02-17 2003-04-15 Wright Medical Technology, Inc. Sacrificial insert for injection molding

Also Published As

Publication number Publication date
DE2537251A1 (de) 1977-02-24
JPS596205B2 (ja) 1984-02-09
GB1520258A (en) 1978-08-02
FR2321378B1 (OSRAM) 1980-04-25
JPS56142017A (en) 1981-11-06
DE2537251B2 (de) 1980-04-24
DE2537251C3 (de) 1980-12-18

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Legal Events

Date Code Title Description
ST Notification of lapse