NL6914631A - - Google Patents

Info

Publication number
NL6914631A
NL6914631A NL6914631A NL6914631A NL6914631A NL 6914631 A NL6914631 A NL 6914631A NL 6914631 A NL6914631 A NL 6914631A NL 6914631 A NL6914631 A NL 6914631A NL 6914631 A NL6914631 A NL 6914631A
Authority
NL
Netherlands
Application number
NL6914631A
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 GB28474/69A external-priority patent/GB1261718A/en
Application filed filed Critical
Publication of NL6914631A publication Critical patent/NL6914631A/xx
Priority claimed from US00198766A external-priority patent/US3809735A/en

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
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
NL6914631A 1968-09-26 1969-09-26 NL6914631A (enrdf_load_stackoverflow)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB28474/69A GB1261718A (en) 1968-09-26 1968-09-26 Method of moulding heat-expandable thermo-plastics material, and moulds therefor
GB4571768 1968-09-26
US00198766A US3809735A (en) 1968-09-26 1971-11-15 Method of moulding heat-expandable thermoplastic polymeric resinous granules involving enhanced distribution of the hot gaseous medium in the mold cavity

Publications (1)

Publication Number Publication Date
NL6914631A true NL6914631A (enrdf_load_stackoverflow) 1970-04-01

Family

ID=27258726

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6914631A NL6914631A (enrdf_load_stackoverflow) 1968-09-26 1969-09-26

Country Status (5)

Country Link
DE (1) DE1948871B2 (enrdf_load_stackoverflow)
ES (1) ES371896A1 (enrdf_load_stackoverflow)
FR (1) FR2018976A1 (enrdf_load_stackoverflow)
NL (1) NL6914631A (enrdf_load_stackoverflow)
SE (1) SE357158B (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7610516A (nl) * 1975-09-30 1977-04-01 Sekisui Plastics Stoomafvoerinrichting.
DE19500601C2 (de) * 1995-01-11 1998-11-05 Notar Walter Verfahren und Vorrichtung zur Herstellung von Formteilen aus geschäumtem Kunststoff sowie deren Verwendung

Also Published As

Publication number Publication date
DE1948871B2 (de) 1975-09-04
DE1948871A1 (de) 1970-04-02
FR2018976A1 (en) 1970-06-26
SE357158B (enrdf_load_stackoverflow) 1973-06-18
ES371896A1 (es) 1972-03-16

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Legal Events

Date Code Title Description
BV The patent application has lapsed