FI50218C - Menetelmä polymeerikalvon, lähinnä polyprpyleeni- tai polyetyleenikalv on valmistamiseksi. - Google Patents
Menetelmä polymeerikalvon, lähinnä polyprpyleeni- tai polyetyleenikalv on valmistamiseksi.Info
- Publication number
- FI50218C FI50218C FI672390A FI239067A FI50218C FI 50218 C FI50218 C FI 50218C FI 672390 A FI672390 A FI 672390A FI 239067 A FI239067 A FI 239067A FI 50218 C FI50218 C FI 50218C
- Authority
- FI
- Finland
- Prior art keywords
- polypropylene
- producing
- film
- polymer film
- polyethylene film
- Prior art date
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
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
- B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0012—Combinations of extrusion moulding with other shaping operations combined with shaping by internal pressure generated in the material, e.g. foaming
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
-
- 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
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US57743966A | 1966-09-06 | 1966-09-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
FI50218B FI50218B (fi) | 1975-09-30 |
FI50218C true FI50218C (fi) | 1976-01-12 |
Family
ID=24308738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI672390A FI50218C (fi) | 1966-09-06 | 1967-09-05 | Menetelmä polymeerikalvon, lähinnä polyprpyleeni- tai polyetyleenikalv on valmistamiseksi. |
Country Status (13)
Country | Link |
---|---|
AT (1) | AT312911B (fi) |
BE (1) | BE703379A (fi) |
CH (1) | CH510704A (fi) |
DE (1) | DE1704546B2 (fi) |
DK (1) | DK123344B (fi) |
ES (1) | ES344668A1 (fi) |
FI (1) | FI50218C (fi) |
FR (1) | FR1553757A (fi) |
GB (1) | GB1180066A (fi) |
IL (1) | IL28508A (fi) |
NL (1) | NL6712145A (fi) |
NO (1) | NO130787C (fi) |
SE (1) | SE349255B (fi) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5215627A (en) * | 1975-07-09 | 1977-02-05 | Mitsubishi Rayon Co Ltd | Porous polypropylene hollow fibers and a process for manufacturing the m |
JPS61146308A (ja) * | 1984-12-21 | 1986-07-04 | Ube Ind Ltd | 多孔質ポリプロピレン中空糸又はフイルムの製造法 |
-
1967
- 1967-08-15 IL IL28508A patent/IL28508A/xx unknown
- 1967-08-23 GB GB38817/67A patent/GB1180066A/en not_active Expired
- 1967-08-29 CH CH1208067A patent/CH510704A/fr not_active IP Right Cessation
- 1967-08-31 ES ES344668A patent/ES344668A1/es not_active Expired
- 1967-09-01 BE BE703379D patent/BE703379A/xx unknown
- 1967-09-01 DE DE1967C0043247 patent/DE1704546B2/de active Granted
- 1967-09-04 SE SE12236/67A patent/SE349255B/xx unknown
- 1967-09-05 DK DK444667AA patent/DK123344B/da unknown
- 1967-09-05 AT AT812167A patent/AT312911B/de not_active IP Right Cessation
- 1967-09-05 NL NL6712145A patent/NL6712145A/xx unknown
- 1967-09-05 NO NO169610A patent/NO130787C/no unknown
- 1967-09-05 FI FI672390A patent/FI50218C/fi active
- 1967-09-05 FR FR1553757D patent/FR1553757A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FI50218B (fi) | 1975-09-30 |
CH510704A (fr) | 1971-07-31 |
DE1704546A1 (de) | 1972-03-23 |
DK123344B (da) | 1972-06-12 |
NL6712145A (fi) | 1968-03-07 |
AT312911B (de) | 1974-01-25 |
ES344668A1 (es) | 1969-01-01 |
IL28508A (en) | 1971-10-20 |
DE1704546B2 (de) | 1976-11-18 |
BE703379A (fi) | 1968-03-01 |
FR1553757A (fi) | 1969-01-17 |
NO130787C (fi) | 1975-02-12 |
SE349255B (fi) | 1972-09-25 |
NO130787B (fi) | 1974-11-04 |
GB1180066A (en) | 1970-02-04 |
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