FR2007281A1 - - Google Patents

Info

Publication number
FR2007281A1
FR2007281A1 FR6913379A FR6913379A FR2007281A1 FR 2007281 A1 FR2007281 A1 FR 2007281A1 FR 6913379 A FR6913379 A FR 6913379A FR 6913379 A FR6913379 A FR 6913379A FR 2007281 A1 FR2007281 A1 FR 2007281A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6913379A
Other languages
French (fr)
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.)
BUONAIUTO ROBERT
Original Assignee
BUONAIUTO ROBERT
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 BUONAIUTO ROBERT filed Critical BUONAIUTO ROBERT
Publication of FR2007281A1 publication Critical patent/FR2007281A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02Shaping 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
    • B29C44/08Shaping 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 using several expanding or moulding steps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02Shaping 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
    • B29C44/04Shaping 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
    • B29C44/0446Shaping 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 by increasing the density locally by compressing part of the foam while still in the mould
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02Shaping 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
    • B29C44/10Applying counter-pressure during expanding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/36Feeding the material to be shaped
    • B29C44/38Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/44Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
    • B29C44/445Feeding 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/56After-treatment of articles, e.g. for altering the shape
    • B29C44/5627After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
    • B29C44/5636After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching with the addition of heat
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C31/00Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
    • B29C31/002Handling tubes, e.g. transferring between shaping stations, loading on mandrels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/3415Heating or cooling
    • B29C44/3426Heating by introducing steam in the mould

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Buffer Packaging (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
FR6913379A 1968-04-30 1969-04-28 Withdrawn FR2007281A1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72543068A 1968-04-30 1968-04-30

Publications (1)

Publication Number Publication Date
FR2007281A1 true FR2007281A1 (enrdf_load_stackoverflow) 1970-01-02

Family

ID=24914517

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6913379A Withdrawn FR2007281A1 (enrdf_load_stackoverflow) 1968-04-30 1969-04-28

Country Status (5)

Country Link
BR (1) BR6908455D0 (enrdf_load_stackoverflow)
DE (1) DE1922261A1 (enrdf_load_stackoverflow)
FR (1) FR2007281A1 (enrdf_load_stackoverflow)
GB (1) GB1264988A (enrdf_load_stackoverflow)
NL (1) NL6906667A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2186348A1 (en) * 1972-05-30 1974-01-11 Celpex Lay flat packages - made of a cellular resin with fold lines of locally crushed material in a single unit

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE411725B (sv) * 1975-05-21 1980-02-04 Selene Trust Sett och apparat for formning av produkter av expanderat plastmaterial
DE2613768C3 (de) * 1976-03-31 1984-09-06 Fa. Ph. Kurtz, 6981 Hasloch Vorrichtung zum zweistufigen Herstellen von geschäumten Thermoplast-Erzeugnissen
DE2847557C2 (de) * 1978-11-02 1987-08-20 Fa. E.A. Heitz, 6718 Grünstadt Vorrichtung zur Fertigung von Formteilen aus Schaumkunststoff
DE3718300A1 (de) * 1987-05-30 1988-12-15 Lin Tec Gmbh Verpackung Verfahren zur herstellung von verpackungen aus schaumkunststoff sowie materialbahn zur bildung derartiger verpackungen
AT398940B (de) * 1991-06-12 1995-02-27 Hirsch Maschinenbau Ges Mbh & Verfahren und vorrichtung zum herstellen von formkörpern aus geschäumtem kunststoff
AT398941B (de) * 1991-06-27 1995-02-27 Hirsch Maschinenbau Ges Mbh & Verfahren zum herstellen von formkörpern aus geschäumtem, thermoplastischem kunststoff

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2186348A1 (en) * 1972-05-30 1974-01-11 Celpex Lay flat packages - made of a cellular resin with fold lines of locally crushed material in a single unit

Also Published As

Publication number Publication date
BR6908455D0 (pt) 1973-01-25
GB1264988A (enrdf_load_stackoverflow) 1972-02-23
NL6906667A (enrdf_load_stackoverflow) 1969-11-03
DE1922261A1 (de) 1969-11-27

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Legal Events

Date Code Title Description
ST Notification of lapse