IT1072920B - Dispositivo con aperture di passaggio di vapore - Google Patents

Dispositivo con aperture di passaggio di vapore

Info

Publication number
IT1072920B
IT1072920B IT7627724A IT2772476A IT1072920B IT 1072920 B IT1072920 B IT 1072920B IT 7627724 A IT7627724 A IT 7627724A IT 2772476 A IT2772476 A IT 2772476A IT 1072920 B IT1072920 B IT 1072920B
Authority
IT
Italy
Prior art keywords
passage openings
steam passage
steam
openings
passage
Prior art date
Application number
IT7627724A
Other languages
English (en)
Original Assignee
Sekisui Plastics
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
Priority claimed from JP50118611A external-priority patent/JPS5242566A/ja
Priority claimed from JP14215175U external-priority patent/JPS5424154Y2/ja
Priority claimed from JP16818075U external-priority patent/JPS5425418Y2/ja
Application filed by Sekisui Plastics filed Critical Sekisui Plastics
Application granted granted Critical
Publication of IT1072920B publication Critical patent/IT1072920B/it

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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/58—Moulds
    • B29C44/588—Moulds with means for venting, e.g. releasing foaming gas
    • 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
    • B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
    • B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
    • 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
    • B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
    • B29C33/04—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
IT7627724A 1975-09-30 1976-09-28 Dispositivo con aperture di passaggio di vapore IT1072920B (it)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP50118611A JPS5242566A (en) 1975-09-30 1975-09-30 Vapor hole of mold for expansion molding
JP14215175U JPS5424154Y2 (it) 1975-10-17 1975-10-17
JP16818075U JPS5425418Y2 (it) 1975-12-12 1975-12-12

Publications (1)

Publication Number Publication Date
IT1072920B true IT1072920B (it) 1985-04-13

Family

ID=27313622

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7627724A IT1072920B (it) 1975-09-30 1976-09-28 Dispositivo con aperture di passaggio di vapore

Country Status (9)

Country Link
US (1) US4081225A (it)
CA (1) CA1073169A (it)
CH (1) CH617127A5 (it)
DE (1) DE2644198C2 (it)
ES (1) ES236190Y (it)
FR (1) FR2326283A1 (it)
GB (1) GB1556170A (it)
IT (1) IT1072920B (it)
NL (1) NL7610516A (it)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4124336A (en) * 1977-05-18 1978-11-07 Mobil Oil Corporation Poppet check valve for controlled feeding of blowing agent
EP0091970A3 (de) * 1982-03-20 1984-09-05 Flewu AG Vorrichtung zur gleichzeitigen Herstellung insbesondere unterschiedlicher Formlinge aus gesintertem Polystyrolschaumstoff mit austauschbaren Formwerkzeugen
IE57552B1 (en) * 1983-05-20 1992-12-16 Unifoam Ag Improvements in or relating to the production of polymeric foam
CA1222856A (en) * 1983-11-02 1987-06-16 Larry V. Crabtree Expanded polystyrene mold for producing parts with smooth surfaces
US4627946A (en) * 1983-11-07 1986-12-09 Morval-Durofoam Ltd. Method and molding apparatus for molding expanded polystyrene articles having smooth surfaces
US4881890A (en) * 1985-06-12 1989-11-21 Barry Andrew S Moulded resin article
GB8620563D0 (en) * 1986-08-23 1986-10-01 Auto Alloys Foundries Ltd Moulding apparatus
US4781555A (en) * 1987-01-07 1988-11-01 Efp Corp. Apparatus for forming molded patterns
EP0400135B1 (en) * 1988-12-05 1997-07-23 CARROLL, Robert, E. Injection mold method
US5458846A (en) * 1988-12-05 1995-10-17 Carroll; Robert E. Method of injection molding
US5333488A (en) * 1990-04-09 1994-08-02 Matrix Technologies, Inc. Gauging system with improved setup and operating method
FR2688166B1 (fr) * 1992-03-06 1995-07-07 Faure Bertrand Automobile Moule pour le moulage d'une mousse de matiere synthetique.
US6403014B1 (en) 1992-03-23 2002-06-11 Incoe Corporation Method for fluid compression of injection molded plastic material
DE4236081A1 (de) * 1992-10-26 1994-04-28 Ph Kurtz Eisenhammer Kg Verfahren zum Herstellen von Formkörpern aus geschäumtem Kunststoff und Form zur Ausübung dieses Verfahrens
US5716560A (en) * 1995-09-14 1998-02-10 Icp Systems, Inc. Gas assisted injection molding combining internal and external gas pressures
DE19543276C1 (de) * 1995-11-20 1997-02-06 Continental Ag Reifenvulkanisationsform mit Entlüftung
US5858288A (en) * 1996-07-18 1999-01-12 Bullard; Calvin P. Method for molding expandable polystyrene foam articles
US5997783A (en) * 1997-10-31 1999-12-07 Woodbridge Foam Corporation Method for producing a molded article using a vented mold
WO1999051414A1 (fr) * 1998-03-31 1999-10-14 Daisen Industry Co., Ltd. Machine et procede de moulage interne de mousse a base de resine synthetique
US6367765B1 (en) * 1999-09-09 2002-04-09 Klaus A. Wieder Mold vent
US6547547B2 (en) * 2000-02-01 2003-04-15 Daisen Industry Co., Ltd. Apparatus for molding composite foam molding element
US20010021402A1 (en) * 2000-03-13 2001-09-13 Iwao Nohara Foam molding die apparatus
JP4300945B2 (ja) * 2003-09-03 2009-07-22 株式会社ブリヂストン 発泡成形用の金型及びウレタンフォームの製造方法
WO2007086095A1 (ja) * 2006-01-24 2007-08-02 The Yokohama Rubber Co., Ltd. タイヤ成形用金型、タイヤ成形用金型のベントホールに使用するプラグ、およびそのタイヤ成形用金型を用いて製造したタイヤ
US7530803B2 (en) * 2007-05-08 2009-05-12 Bridgestone Firestone North American Tire, Llc Insert for a tire mold vent
US7896643B2 (en) * 2008-12-15 2011-03-01 The Goodyear Tire & Rubber Company Venting device for mold
US7811078B2 (en) * 2008-12-15 2010-10-12 The Goodyear Tire & Rubber Company Venting device for mold
DE102009031453A1 (de) * 2009-07-02 2011-01-05 Werner Beuerlein Gussform mit Entlüfter
ITRE20120033A1 (it) * 2012-04-27 2013-10-28 Cgm Spa Processo di formatura dietro compressione di oggetti di materiale termoplastico
US9114555B1 (en) * 2012-08-01 2015-08-25 Willmar Fabrication, Llc Vent apparatus
KR101607361B1 (ko) * 2012-12-12 2016-03-30 (주)엘지하우시스 고분자 역류 방지부를 갖는 고분자 성형 장치
WO2014151706A1 (en) 2013-03-15 2014-09-25 Herman Miller, Inc. Particle foam component having a textured surface
US9149957B2 (en) * 2013-03-15 2015-10-06 Willmar Fabrication, Llc Vent apparatus
FR3024068B1 (fr) * 2014-07-22 2016-08-12 Michelin & Cie Moule pour la vulcanisation d'un pneumatique comportant des elements mobiles obtenus par frittage laser
EP3088153B1 (de) * 2015-04-27 2018-06-06 Overath GmbH Formwerkzeug

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3191907A (en) * 1962-07-24 1965-06-29 Harold W Schmidt Conical valve plug
SE357158B (it) * 1968-09-26 1973-06-18 Caplan H
DE2129046A1 (de) * 1971-06-11 1973-01-04 Hans Erlenbach Verfahren und vorrichtung zum herstellen von formlingen aus schaeumbarem thermoplastischen kunststoff
CH538353A (de) * 1972-07-03 1973-06-30 Eschmann Ag Düse zum Spritzgiessen von treibmittelhaltigen Kunststoffen
US3837769A (en) * 1972-07-29 1974-09-24 H Erlenbach Apparatus for the manufacture of molded articles of foam-forming thermoplastic synthetics
DE2302906A1 (de) * 1973-01-22 1974-07-25 Bucher Guyer Ag Masch Schaeumform zum herstellen von polystyrol-formteilen

Also Published As

Publication number Publication date
FR2326283B1 (it) 1980-10-10
CH617127A5 (it) 1980-05-14
DE2644198C2 (de) 1983-01-13
GB1556170A (en) 1979-11-21
NL7610516A (nl) 1977-04-01
DE2644198A1 (de) 1977-03-31
US4081225A (en) 1978-03-28
CA1073169A (en) 1980-03-11
FR2326283A1 (fr) 1977-04-29
ES236190Y (es) 1978-12-16
ES236190U (es) 1978-07-01

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