CH640796A5 - In der waerme schrumpffaehige, flexible mehrschichtfolie fuer verpackungszwecke. - Google Patents
In der waerme schrumpffaehige, flexible mehrschichtfolie fuer verpackungszwecke. Download PDFInfo
- Publication number
- CH640796A5 CH640796A5 CH359779A CH359779A CH640796A5 CH 640796 A5 CH640796 A5 CH 640796A5 CH 359779 A CH359779 A CH 359779A CH 359779 A CH359779 A CH 359779A CH 640796 A5 CH640796 A5 CH 640796A5
- Authority
- CH
- Switzerland
- Prior art keywords
- film
- shrink
- oriented
- layers
- layer
- Prior art date
Links
- 238000004806 packaging method and process Methods 0.000 title claims description 17
- 239000010410 layer Substances 0.000 claims description 195
- 229920000728 polyester Polymers 0.000 claims description 51
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 46
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 43
- 229920001634 Copolyester Polymers 0.000 claims description 34
- 229920000642 polymer Polymers 0.000 claims description 25
- 239000004800 polyvinyl chloride Substances 0.000 claims description 22
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 22
- 229920001519 homopolymer Polymers 0.000 claims description 19
- -1 polyethylene Polymers 0.000 claims description 19
- 229920000573 polyethylene Polymers 0.000 claims description 16
- 229920000098 polyolefin Polymers 0.000 claims description 15
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 14
- 239000005977 Ethylene Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 14
- 239000000155 melt Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- 229920001577 copolymer Polymers 0.000 claims description 13
- 229920005606 polypropylene copolymer Polymers 0.000 claims description 11
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 10
- 239000004698 Polyethylene Substances 0.000 claims description 9
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 229920005653 propylene-ethylene copolymer Polymers 0.000 claims description 5
- 229920001169 thermoplastic Polymers 0.000 claims description 5
- 239000004416 thermosoftening plastic Substances 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 229920006300 shrink film Polymers 0.000 claims 13
- 239000000047 product Substances 0.000 claims 10
- 239000006227 byproduct Substances 0.000 claims 2
- 239000003517 fume Substances 0.000 claims 2
- 238000012423 maintenance Methods 0.000 claims 2
- 239000002356 single layer Substances 0.000 claims 2
- 241000894006 Bacteria Species 0.000 claims 1
- 239000004793 Polystyrene Substances 0.000 claims 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000005336 cracking Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 229920000554 ionomer Polymers 0.000 claims 1
- 239000005026 oriented polypropylene Substances 0.000 claims 1
- 239000005022 packaging material Substances 0.000 claims 1
- 229920002223 polystyrene Polymers 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 230000000007 visual effect Effects 0.000 claims 1
- 229920001038 ethylene copolymer Polymers 0.000 description 8
- 239000002344 surface layer Substances 0.000 description 7
- 238000004132 cross linking Methods 0.000 description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 229920001897 terpolymer Polymers 0.000 description 4
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229920003020 cross-linked polyethylene Polymers 0.000 description 3
- 239000004703 cross-linked polyethylene Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920001748 polybutylene Polymers 0.000 description 3
- LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 description 2
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229920001684 low density polyethylene Polymers 0.000 description 2
- 239000004702 low-density polyethylene Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229920006280 packaging film Polymers 0.000 description 2
- 239000012785 packaging film Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- WSQZNZLOZXSBHA-UHFFFAOYSA-N 3,8-dioxabicyclo[8.2.2]tetradeca-1(12),10,13-triene-2,9-dione Chemical compound O=C1OCCCCOC(=O)C2=CC=C1C=C2 WSQZNZLOZXSBHA-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- 229920003300 Plexar® Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- TVJJASSSIUTVQL-UHFFFAOYSA-N benzene-1,3-dicarboxylic acid;[1-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1(CO)CCCCC1.OC(=O)C1=CC=CC(C(O)=O)=C1 TVJJASSSIUTVQL-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000005865 ionizing radiation Effects 0.000 description 1
- 229920001580 isotactic polymer Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920001179 medium density polyethylene Polymers 0.000 description 1
- 239000004701 medium-density polyethylene Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- PCUHKKPWESTEHO-UHFFFAOYSA-N oxolane;terephthalic acid Chemical compound C1CCOC1.OC(=O)C1=CC=C(C(O)=O)C=C1 PCUHKKPWESTEHO-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- 229920002397 thermoplastic olefin Polymers 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/023—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B2038/0052—Other operations not otherwise provided for
- B32B2038/0076—Curing, vulcanising, cross-linking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/05—5 or more layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/72—Cured, e.g. vulcanised, cross-linked
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/514—Oriented
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/732—Dimensional properties
- B32B2307/734—Dimensional stability
- B32B2307/736—Shrinkable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/08—Dimensions, e.g. volume
- B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
- B32B2309/105—Thickness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2323/00—Polyalkenes
- B32B2323/04—Polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2323/00—Polyalkenes
- B32B2323/10—Polypropylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2331/00—Polyvinylesters
- B32B2331/04—Polymers of vinyl acetate, e.g. PVA
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2553/00—Packaging equipment or accessories not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/896,963 US4194039A (en) | 1978-04-17 | 1978-04-17 | Multi-layer polyolefin shrink film |
| US05/938,191 US4188443A (en) | 1978-08-30 | 1978-08-30 | Multi-layer polyester/polyolefin shrink film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH640796A5 true CH640796A5 (de) | 1984-01-31 |
Family
ID=27129165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH359779A CH640796A5 (de) | 1978-04-17 | 1979-04-17 | In der waerme schrumpffaehige, flexible mehrschichtfolie fuer verpackungszwecke. |
Country Status (9)
| Country | Link |
|---|---|
| CH (1) | CH640796A5 (xx) |
| DE (1) | DE2914912A1 (xx) |
| DK (1) | DK156479A (xx) |
| FI (1) | FI791241A (xx) |
| FR (1) | FR2423331A1 (xx) |
| GB (1) | GB2019314B (xx) |
| IT (1) | IT1113316B (xx) |
| NL (1) | NL7902984A (xx) |
| SE (1) | SE7903356L (xx) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6034456B2 (ja) * | 1980-02-15 | 1985-08-08 | 富士写真フイルム株式会社 | 感光材料用包装材料 |
| CA1199567A (en) * | 1982-02-18 | 1986-01-21 | Walter B. Mueller | Linear polyethylene shrink films |
| GB2137931B (en) * | 1983-04-07 | 1987-02-04 | Grace W R & Co | Laminated packaging film heat-shrinkable after forming, and method for the preparation thereof |
| US4585682A (en) * | 1983-05-23 | 1986-04-29 | W. R. Grace & Co. | Roofing membranes |
| US4643926A (en) * | 1985-04-29 | 1987-02-17 | W. R. Grace & Co., Cryovac Div. | Flexible medical solution pouches |
| DE10236502B4 (de) * | 2002-08-09 | 2004-10-14 | Nordenia Deutschland Gronau Gmbh | Siegelfähige Folie für Aufreißverpackungen |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US463591A (en) * | 1891-11-17 | Can-capping machine | ||
| US3188265A (en) * | 1957-11-12 | 1965-06-08 | Minnesota Mining & Mfg | Packaging films |
| US3017302A (en) * | 1958-01-31 | 1962-01-16 | Milprint Inc | Art of packaging commodities |
| BE647957A (xx) * | 1963-05-16 | |||
| DE1769510A1 (de) * | 1968-06-04 | 1971-07-01 | Lissmann Alkor Werk | Verbundfolie zur Herstellung von Schrumpfpackungen |
| GB1464718A (en) * | 1973-05-10 | 1977-02-16 | Grace W R & Co | Laminates containing layers of aluminium and hydrolysed olefin-vinyl ester copolymer |
| CH595412A5 (xx) * | 1974-02-05 | 1978-02-15 | Ciba Geigy Ag | |
| CA1078247A (en) * | 1976-10-08 | 1980-05-27 | Henry B. Thompson | Heat shrinkable laminate |
| US4048378A (en) * | 1976-12-08 | 1977-09-13 | Browne Packaging, Inc. | Adhesive laminated packaging materials |
-
1979
- 1979-04-12 DE DE19792914912 patent/DE2914912A1/de not_active Withdrawn
- 1979-04-17 SE SE7903356A patent/SE7903356L/ not_active Application Discontinuation
- 1979-04-17 IT IT21929/79A patent/IT1113316B/it active
- 1979-04-17 DK DK156479A patent/DK156479A/da not_active IP Right Cessation
- 1979-04-17 FR FR7909645A patent/FR2423331A1/fr active Granted
- 1979-04-17 GB GB7913230A patent/GB2019314B/en not_active Expired
- 1979-04-17 CH CH359779A patent/CH640796A5/de not_active IP Right Cessation
- 1979-04-17 FI FI791241A patent/FI791241A/fi not_active Application Discontinuation
- 1979-04-17 NL NL7902984A patent/NL7902984A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| FI791241A (fi) | 1979-10-18 |
| IT7921929A0 (it) | 1979-04-17 |
| NL7902984A (nl) | 1979-10-19 |
| GB2019314A (en) | 1979-10-31 |
| GB2019314B (en) | 1982-06-30 |
| IT1113316B (it) | 1986-01-20 |
| FR2423331A1 (fr) | 1979-11-16 |
| DE2914912A1 (de) | 1979-10-25 |
| DK156479A (da) | 1979-10-18 |
| FR2423331B1 (xx) | 1984-01-06 |
| SE7903356L (sv) | 1979-10-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |