FR1431684A - Methods and devices for forming cells in polypropylene sheets - Google Patents

Methods and devices for forming cells in polypropylene sheets

Info

Publication number
FR1431684A
FR1431684A FR982203A FR982203A FR1431684A FR 1431684 A FR1431684 A FR 1431684A FR 982203 A FR982203 A FR 982203A FR 982203 A FR982203 A FR 982203A FR 1431684 A FR1431684 A FR 1431684A
Authority
FR
France
Prior art keywords
methods
devices
forming cells
polypropylene sheets
polypropylene
Prior art date
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.)
Expired
Application number
FR982203A
Other languages
French (fr)
Inventor
Jean Augustin Bodet
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 filed Critical
Priority to FR982203A priority Critical patent/FR1431684A/en
Application granted granted Critical
Publication of FR1431684A publication Critical patent/FR1431684A/en
Expired 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
    • B29C51/00Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/002Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor characterised by the choice of material
    • 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
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42Component parts, details or accessories; Auxiliary operations
    • B29C49/46Component parts, details or accessories; Auxiliary operations characterised by using particular environment or blow fluids other than air
    • 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
    • B29C51/00Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/10Forming by pressure difference, e.g. vacuum
    • 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
    • B29C51/00Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26Component parts, details or accessories; Auxiliary operations
    • B29C51/263Component parts, details or accessories; Auxiliary operations characterised by using a particular environment, e.g. sterile
    • 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
    • B29C51/00Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26Component parts, details or accessories; Auxiliary operations
    • B29C51/42Heating or cooling
    • B29C51/426Producing specific thermal regimes during thermoforming to obtain particular properties

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Manufacturing & Machinery (AREA)
FR982203A 1964-07-18 1964-07-18 Methods and devices for forming cells in polypropylene sheets Expired FR1431684A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR982203A FR1431684A (en) 1964-07-18 1964-07-18 Methods and devices for forming cells in polypropylene sheets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR982203A FR1431684A (en) 1964-07-18 1964-07-18 Methods and devices for forming cells in polypropylene sheets

Publications (1)

Publication Number Publication Date
FR1431684A true FR1431684A (en) 1966-03-18

Family

ID=8834863

Family Applications (1)

Application Number Title Priority Date Filing Date
FR982203A Expired FR1431684A (en) 1964-07-18 1964-07-18 Methods and devices for forming cells in polypropylene sheets

Country Status (1)

Country Link
FR (1) FR1431684A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3497059A (en) * 1966-11-02 1970-02-24 American Packaging Corp Package and method for making same
WO1992001549A1 (en) * 1990-07-18 1992-02-06 MAX-PLANCK-Gesellschaft zur Förderung der Wissenschaften e.V. Process for producing a plate with at least one upwards-facing well designed to hold chemical and/or biochemical and/or microbiological substances, and a plate thus produced
US5447679A (en) * 1990-07-18 1995-09-05 Max-Planck-Gesellschaft Zur Forderung Der Wissenschaften E.V. Process of producing plastic plates with wells by placing a film on a mold and applying hot gas

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3497059A (en) * 1966-11-02 1970-02-24 American Packaging Corp Package and method for making same
WO1992001549A1 (en) * 1990-07-18 1992-02-06 MAX-PLANCK-Gesellschaft zur Förderung der Wissenschaften e.V. Process for producing a plate with at least one upwards-facing well designed to hold chemical and/or biochemical and/or microbiological substances, and a plate thus produced
US5447679A (en) * 1990-07-18 1995-09-05 Max-Planck-Gesellschaft Zur Forderung Der Wissenschaften E.V. Process of producing plastic plates with wells by placing a film on a mold and applying hot gas

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