FR1431684A - Methods and devices for forming cells in polypropylene sheets - Google Patents
Methods and devices for forming cells in polypropylene sheetsInfo
- 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
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
- B29C51/00—Shaping 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
- B29C51/002—Shaping 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
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/46—Component parts, details or accessories; Auxiliary operations characterised by using particular environment or blow fluids other than air
-
- 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
- B29C51/00—Shaping 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
- B29C51/10—Forming by pressure difference, e.g. vacuum
-
- 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
- B29C51/00—Shaping 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
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/263—Component parts, details or accessories; Auxiliary operations characterised by using a particular environment, e.g. sterile
-
- 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
- B29C51/00—Shaping 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
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/42—Heating or cooling
- B29C51/426—Producing 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)
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)
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 |
-
1964
- 1964-07-18 FR FR982203A patent/FR1431684A/en not_active Expired
Cited By (3)
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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