ITRM910149A1 - Dispositivo per formare un modello di espanso a perdere. - Google Patents

Dispositivo per formare un modello di espanso a perdere.

Info

Publication number
ITRM910149A1
ITRM910149A1 IT000149A ITRM910149A ITRM910149A1 IT RM910149 A1 ITRM910149 A1 IT RM910149A1 IT 000149 A IT000149 A IT 000149A IT RM910149 A ITRM910149 A IT RM910149A IT RM910149 A1 ITRM910149 A1 IT RM910149A1
Authority
IT
Italy
Prior art keywords
foam model
disposable foam
disposable
model
foam
Prior art date
Application number
IT000149A
Other languages
English (en)
Inventor
Rens Russell J Van
Original Assignee
Outboard Marine 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 Outboard Marine Corp filed Critical Outboard Marine Corp
Publication of ITRM910149A0 publication Critical patent/ITRM910149A0/it
Publication of ITRM910149A1 publication Critical patent/ITRM910149A1/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
    • 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
    • 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
    • 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)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
IT000149A 1990-04-02 1991-03-05 Dispositivo per formare un modello di espanso a perdere. ITRM910149A1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US50412190A 1990-04-02 1990-04-02

Publications (2)

Publication Number Publication Date
ITRM910149A0 ITRM910149A0 (it) 1991-03-05
ITRM910149A1 true ITRM910149A1 (it) 1991-10-03

Family

ID=24004932

Family Applications (1)

Application Number Title Priority Date Filing Date
IT000149A ITRM910149A1 (it) 1990-04-02 1991-03-05 Dispositivo per formare un modello di espanso a perdere.

Country Status (6)

Country Link
JP (1) JPH04223122A (it)
BE (1) BE1004254A5 (it)
CA (1) CA2036009A1 (it)
DE (1) DE4109940A1 (it)
GB (1) GB2242644B (it)
IT (1) ITRM910149A1 (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4201096C2 (de) * 1992-01-17 1994-02-24 Grauf Guenter Form zur Herstellung von Schaumstofformlingen
CA2077363C (en) * 1992-09-02 1996-09-03 Leslie Edward Clark Vented mold and use thereof
US5316700A (en) * 1992-11-02 1994-05-31 Wesley-Jessen Corporation Method and apparatus for removing excess lens forming material
GB9414708D0 (en) * 1994-07-21 1994-09-07 Portakabin Ltd Method of and apparatus for making a building panel
DE19500601C2 (de) * 1995-01-11 1998-11-05 Notar Walter Verfahren und Vorrichtung zur Herstellung von Formteilen aus geschäumtem Kunststoff sowie deren Verwendung
TWI614113B (zh) * 2014-09-30 2018-02-11 Panasonic Intellectual Property Management Co., Ltd. 射出成型用模具與濾網成型品
CN104439058A (zh) * 2014-12-06 2015-03-25 沈阳工业大学 一种农用机械铲尖的消失模白型制造模具

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB667861A (en) * 1949-08-04 1952-03-12 Wingfoot Corp Venting of foamed latex molds
DE2327268A1 (de) * 1973-05-29 1975-01-02 Otto Waldmann Verfahren und vorrichtung zum herstellen von formkoerpern aus expandierbarem polystyrolschaum
DE2544714A1 (de) * 1975-10-07 1977-04-21 Hans Erlenbach Vorrichtung zum herstellen von formlingen aus aufschaeumbarem thermoplastischen kunststoff
JPS63247015A (ja) * 1987-04-03 1988-10-13 Inoue Mtp Co Ltd 反応射出成形金型
JPS63309416A (ja) * 1987-06-12 1988-12-16 Toyota Motor Corp 真空引き射出成形装置

Also Published As

Publication number Publication date
ITRM910149A0 (it) 1991-03-05
GB2242644A (en) 1991-10-09
JPH04223122A (ja) 1992-08-13
GB2242644B (en) 1993-07-21
CA2036009A1 (en) 1991-10-03
BE1004254A5 (fr) 1992-10-20
DE4109940A1 (de) 1991-10-10
GB9102860D0 (en) 1991-03-27

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Legal Events

Date Code Title Description
0003 Withdrawn