BR7407799A - Processo aperfeicoado para producao de corpos moldados em materia plastica com material de pelicula e material de nucleo bem como instalacao para a realizacao do mesmo - Google Patents

Processo aperfeicoado para producao de corpos moldados em materia plastica com material de pelicula e material de nucleo bem como instalacao para a realizacao do mesmo

Info

Publication number
BR7407799A
BR7407799A BR779974A BR779974A BR7407799A BR 7407799 A BR7407799 A BR 7407799A BR 779974 A BR779974 A BR 779974A BR 779974 A BR779974 A BR 779974A BR 7407799 A BR7407799 A BR 7407799A
Authority
BR
Brazil
Prior art keywords
realization
installation
production
same
molded bodies
Prior art date
Application number
BR779974A
Other languages
English (en)
Portuguese (pt)
Inventor
R Hanning
Original Assignee
Lo Sfruttamento Di Brevetti Sa
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 CH1347973A external-priority patent/CH570258A5/de
Priority claimed from CH233474A external-priority patent/CH575284A5/de
Priority claimed from CH581274A external-priority patent/CH576856A5/de
Application filed by Lo Sfruttamento Di Brevetti Sa filed Critical Lo Sfruttamento Di Brevetti Sa
Publication of BR7407799A publication Critical patent/BR7407799A/pt

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
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
    • 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
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0492—Devices for feeding the different materials
    • 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
    • B29C44/3442—Mixing, kneading or conveying the foamable material
    • 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
    • B29C45/1703—Introducing an auxiliary fluid into the mould
    • B29C45/1704—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/16—Fillers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
BR779974A 1973-09-19 1974-09-19 Processo aperfeicoado para producao de corpos moldados em materia plastica com material de pelicula e material de nucleo bem como instalacao para a realizacao do mesmo BR7407799A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH1347973A CH570258A5 (en) 1973-09-19 1973-09-19 Foam core articles with outer skin - are injection moulded with large bubbles in core produced by gas
CH233474A CH575284A5 (en) 1974-02-20 1974-02-20 Foamed plastics injection moulded articles - with skin and core latter of which is formed by inhibiting foaming before injection nozzle
CH581274A CH576856A5 (en) 1974-04-29 1974-04-29 Foamed plastics injection moulded articles - with skin and core latter of which is formed by inhibiting foaming before injection nozzle

Publications (1)

Publication Number Publication Date
BR7407799A true BR7407799A (pt) 1975-10-14

Family

ID=27173631

Family Applications (1)

Application Number Title Priority Date Filing Date
BR779974A BR7407799A (pt) 1973-09-19 1974-09-19 Processo aperfeicoado para producao de corpos moldados em materia plastica com material de pelicula e material de nucleo bem como instalacao para a realizacao do mesmo

Country Status (6)

Country Link
JP (3) JPS5094078A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR7407799A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1037665A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2243799B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1459882A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1021486B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5798799A (en) * 1980-12-10 1982-06-19 Mitsubishi Heavy Ind Ltd Chemical cleaning method for combined boiler
US4457511A (en) * 1982-03-15 1984-07-03 William Witkowski Plastic bowling pin and method of making the same
JPS5960103A (ja) * 1982-09-29 1984-04-06 バブコツク日立株式会社 ボイラ装置
JP2010036563A (ja) * 2008-08-08 2010-02-18 Kasai Kogyo Co Ltd 樹脂成形品並びにその成形方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH566207A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-12-07 1975-09-15 Siemag Siegener Masch Bau

Also Published As

Publication number Publication date
IT1021486B (it) 1978-01-30
JPS5094078A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-07-26
FR2243799B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-12-29
CA1037665A (en) 1978-09-05
JPS5415968A (en) 1979-02-06
GB1459882A (en) 1976-12-31
FR2243799A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-04-11
JPS5415969A (en) 1979-02-06

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