FR2649639B1 - PNEUMATIC EJECTION DEVICE FOR THERMOPLASTIC INJECTION MOLDS - Google Patents

PNEUMATIC EJECTION DEVICE FOR THERMOPLASTIC INJECTION MOLDS

Info

Publication number
FR2649639B1
FR2649639B1 FR8909739A FR8909739A FR2649639B1 FR 2649639 B1 FR2649639 B1 FR 2649639B1 FR 8909739 A FR8909739 A FR 8909739A FR 8909739 A FR8909739 A FR 8909739A FR 2649639 B1 FR2649639 B1 FR 2649639B1
Authority
FR
France
Prior art keywords
ejection device
injection molds
thermoplastic injection
pneumatic ejection
pneumatic
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
FR8909739A
Other languages
French (fr)
Other versions
FR2649639A1 (en
Inventor
Olivier Sistac
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.)
Sistac SA B
Original Assignee
Sistac SA B
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9383942&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR2649639(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sistac SA B filed Critical Sistac SA B
Priority to FR8909739A priority Critical patent/FR2649639B1/en
Publication of FR2649639A1 publication Critical patent/FR2649639A1/en
Application granted granted Critical
Publication of FR2649639B1 publication Critical patent/FR2649639B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/43—Removing or ejecting moulded articles using fluid under pressure
    • 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
    • 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
    • B29C2045/4057—Removing or ejecting moulded articles the ejecting surface being large with regard to the surface of the article
FR8909739A 1989-07-13 1989-07-13 PNEUMATIC EJECTION DEVICE FOR THERMOPLASTIC INJECTION MOLDS Expired - Fee Related FR2649639B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8909739A FR2649639B1 (en) 1989-07-13 1989-07-13 PNEUMATIC EJECTION DEVICE FOR THERMOPLASTIC INJECTION MOLDS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8909739A FR2649639B1 (en) 1989-07-13 1989-07-13 PNEUMATIC EJECTION DEVICE FOR THERMOPLASTIC INJECTION MOLDS

Publications (2)

Publication Number Publication Date
FR2649639A1 FR2649639A1 (en) 1991-01-18
FR2649639B1 true FR2649639B1 (en) 1991-10-04

Family

ID=9383942

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8909739A Expired - Fee Related FR2649639B1 (en) 1989-07-13 1989-07-13 PNEUMATIC EJECTION DEVICE FOR THERMOPLASTIC INJECTION MOLDS

Country Status (1)

Country Link
FR (1) FR2649639B1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2762252B1 (en) * 1997-04-17 1999-06-11 Ftv INJECTION MOLD WITH SIMPLIFIED EJECTION
US7063868B2 (en) 2003-02-28 2006-06-20 T.F.H. Publications, Inc. Method of removing molded natural resins from molds utilizing lifter bars
ES2391346B1 (en) * 2012-10-11 2013-10-03 Comercial de Útiles y Moldes, S.A. Valve for plastic injection molds
CN109366951A (en) * 2018-10-22 2019-02-22 滁州佳诚模具制造有限公司 A kind of conveniently stripped case courage plastics suction mould
CN115609863B (en) * 2022-12-20 2023-03-03 汕头市大简环保科技有限公司 Tableware forming and demolding structure

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3128499A (en) * 1961-06-15 1964-04-14 Western Electric Co Molding apparatus
DE1604679C3 (en) * 1966-04-06 1974-01-10 Westform Plastikwerke Gmbh, 5256 Hommerich Injection mold for manufacturing containers from plastic with an ejector
FR2076587A5 (en) * 1970-01-20 1971-10-15 Plastimonde Demoulding by air injection - through the punch in moulds without taper
US4438065A (en) * 1982-03-08 1984-03-20 Husky Injection Molding Systems Ltd. Air ejection of molded containers
JPS5945110A (en) * 1982-09-08 1984-03-13 Tachibana Yoki Kk Mold release device of plastic molding
CA1204262A (en) * 1985-08-16 1986-05-13 James S. Sheffield Injection mold apparatus with gas ejection
JPS6242816A (en) * 1985-08-21 1987-02-24 Toyoda Gosei Co Ltd Molding die

Also Published As

Publication number Publication date
FR2649639A1 (en) 1991-01-18

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Legal Events

Date Code Title Description
ST Notification of lapse