FI65939C - Foerfarande och anordning foer kontinuerlig framstaellning av banor eller skivor av ett expanderat fenolharts - Google Patents
Foerfarande och anordning foer kontinuerlig framstaellning av banor eller skivor av ett expanderat fenolharts Download PDFInfo
- Publication number
- FI65939C FI65939C FI771475A FI771475A FI65939C FI 65939 C FI65939 C FI 65939C FI 771475 A FI771475 A FI 771475A FI 771475 A FI771475 A FI 771475A FI 65939 C FI65939 C FI 65939C
- Authority
- FI
- Finland
- Prior art keywords
- conveyor belt
- foam
- conveyor
- belt conveyor
- free
- Prior art date
Links
- 239000000203 mixture Substances 0.000 claims description 32
- 229920005989 resin Polymers 0.000 claims description 29
- 239000011347 resin Substances 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 239000003054 catalyst Substances 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 8
- 229920001568 phenolic resin Polymers 0.000 claims description 7
- 239000005011 phenolic resin Substances 0.000 claims description 7
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 6
- 229920003987 resole Polymers 0.000 claims description 4
- 238000010924 continuous production Methods 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004604 Blowing Agent Substances 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 240000004808 Saccharomyces cerevisiae Species 0.000 claims 1
- 230000001143 conditioned effect Effects 0.000 claims 1
- 238000009826 distribution Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims 1
- 239000004810 polytetrafluoroethylene Substances 0.000 claims 1
- 230000000644 propagated effect Effects 0.000 claims 1
- 230000000630 rising effect Effects 0.000 claims 1
- 239000006260 foam Substances 0.000 description 58
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 22
- 238000007493 shaping process Methods 0.000 description 16
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 238000011144 upstream manufacturing Methods 0.000 description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 10
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 10
- 238000005299 abrasion Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 229920001971 elastomer Polymers 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 7
- 238000005452 bending Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000004094 surface-active agent Substances 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 4
- 239000008098 formaldehyde solution Substances 0.000 description 4
- 230000009257 reactivity Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000004809 Teflon Substances 0.000 description 3
- 229920006362 Teflon® Polymers 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 238000003892 spreading Methods 0.000 description 3
- 230000007480 spreading Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000008961 swelling Effects 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 229920001213 Polysorbate 20 Polymers 0.000 description 2
- 239000003377 acid catalyst Substances 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 description 2
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical compound OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 210000000497 foam cell Anatomy 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 125000005456 glyceride group Chemical group 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/22—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length consisting of at least two parts of chemically or physically different materials, e.g. having different densities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/02—Molding cellular aldehyde resins
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Molding Of Porous Articles (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7614330A FR2350945A1 (fr) | 1976-05-12 | 1976-05-12 | Perfectionnement aux procede et installation pour la fabrication continue de produits cellulaires en resine thermodurcissable |
| FR7614330 | 1976-05-12 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI771475A7 FI771475A7 (enExample) | 1977-11-13 |
| FI65939B FI65939B (fi) | 1984-04-30 |
| FI65939C true FI65939C (fi) | 1984-08-10 |
Family
ID=9173037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI771475A FI65939C (fi) | 1976-05-12 | 1977-05-10 | Foerfarande och anordning foer kontinuerlig framstaellning av banor eller skivor av ett expanderat fenolharts |
Country Status (19)
| Country | Link |
|---|---|
| US (2) | US4252515A (enExample) |
| JP (1) | JPS52137468A (enExample) |
| AT (1) | AT364766B (enExample) |
| BE (1) | BE854522A (enExample) |
| CA (1) | CA1101624A (enExample) |
| CH (1) | CH612620A5 (enExample) |
| DE (1) | DE2721473C2 (enExample) |
| DK (1) | DK150976C (enExample) |
| ES (1) | ES458696A1 (enExample) |
| FI (1) | FI65939C (enExample) |
| FR (1) | FR2350945A1 (enExample) |
| GB (1) | GB1555420A (enExample) |
| IE (1) | IE45414B1 (enExample) |
| IT (1) | IT1075543B (enExample) |
| LU (1) | LU77311A1 (enExample) |
| MX (1) | MX146710A (enExample) |
| NL (1) | NL7705202A (enExample) |
| NO (1) | NO148842C (enExample) |
| SE (1) | SE416117B (enExample) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4396563A (en) * | 1976-06-07 | 1983-08-02 | Gusmer Frederick E | Method of preparing closed cell phenol-aldehyde foam and the closed cell foam thus prepared |
| US4348164A (en) * | 1976-10-04 | 1982-09-07 | Toyo Rubber Chemical Industrial Corporation | Apparatus for continuous production of a slab of polyurethane foam |
| JPS5570208U (enExample) * | 1978-11-09 | 1980-05-14 | ||
| FR2497720A1 (fr) * | 1981-01-12 | 1982-07-16 | Lassus Gerard | Procede et installation pour la fabrication de panneaux en mousse expansee |
| US4478958A (en) * | 1981-07-10 | 1984-10-23 | Kopper Company, Inc. | Method for preparing phenolic foams using anhydrous aryl sulfonic acid catalysts |
| US4525492A (en) * | 1982-06-04 | 1985-06-25 | Fiberglas Canada Inc. | Modified phenolic foams |
| US4756860A (en) * | 1982-06-07 | 1988-07-12 | Rmax, Inc. | Apparatus for manufacturing insulation panels |
| US4539338A (en) * | 1982-07-09 | 1985-09-03 | Koppers Company, Inc. | Phenol formaldehyde resoles for making phenolic foam |
| AT387542B (de) * | 1983-02-11 | 1989-02-10 | Isovolta | Verfahren zum herstellen von phenol-aldehydharz- schaumstoffkoerpern |
| FR2544660B1 (fr) * | 1983-04-22 | 1986-06-20 | Saint Gobain Isover | Procede et dispositif pour la fabrication en continu de panneaux composites en mousse |
| JPH0367850A (ja) * | 1989-08-02 | 1991-03-22 | Nec Corp | 用紙けり出しローラー |
| US5786000A (en) * | 1996-08-28 | 1998-07-28 | Berner; Rolf E. | Continuous molding machine with pusher |
| JP2001198939A (ja) * | 2000-01-21 | 2001-07-24 | Jsp Corp | 発泡成形体の製造装置 |
| JP4387237B2 (ja) * | 2004-04-23 | 2009-12-16 | 株式会社トピア | プラスチック繊維成形体、プラスチック繊維成形体の製造方法、プラスチック繊維板の製造装置 |
| BRPI0607377A2 (pt) * | 2005-02-25 | 2010-03-23 | Nova Chem Inc | composiÇço de cimento de baixo peso, leito de estrada, artigo de construÇço painel compàsito, estrutura de concreto isolada, mÉtodo de fabricar um artigo de composiÇço de cimento de baixo peso, artigo de concreto de baixo peso e unidade estrutural de baixo peso |
| US8752348B2 (en) * | 2005-02-25 | 2014-06-17 | Syntheon Inc. | Composite pre-formed construction articles |
| AU2006216558B2 (en) | 2005-02-25 | 2010-05-13 | Nova Chemicals, Inc. | Composite pre-formed building panels, a building and a framing stud |
| DE102005010999A1 (de) * | 2005-03-10 | 2006-09-14 | Bayer Materialscience Ag | Verfahren und Anlage zur kontinuierlichen Herstellung von Schaumstoffplatten |
| BRPI0609690A2 (pt) | 2005-03-22 | 2011-10-18 | Nova Chem Inc | composição de concreto de baixo peso, leito de estrada, artigo de construção pré-moldado e/ou pré-tensionado, método de produção de um artigo de composição de concreto de baixo peso otimizado, e, artigo de concreto de baixo peso |
| US20070013099A1 (en) * | 2005-07-15 | 2007-01-18 | Epoch Composite Products, Inc. | Method And Apparatus For Emobssing Manufactured Deck Boards |
| US7677009B2 (en) * | 2007-02-02 | 2010-03-16 | Nova Chemicals Inc. | Roof truss system |
| US20090078161A1 (en) * | 2007-09-20 | 2009-03-26 | Nova Chemicals Inc. | Methods of minimizing concrete cracking and shrinkage |
| US8048219B2 (en) * | 2007-09-20 | 2011-11-01 | Nova Chemicals Inc. | Method of placing concrete |
| CN105014852B (zh) * | 2015-06-18 | 2017-06-27 | 合肥合锻智能制造股份有限公司 | 一种自移卧式翻转液压机及其使用方法 |
| JP6166829B2 (ja) * | 2015-10-13 | 2017-07-19 | 積水化学工業株式会社 | フェノール樹脂発泡板 |
| JP6159468B1 (ja) * | 2016-12-20 | 2017-07-05 | 積水化学工業株式会社 | フェノール樹脂発泡体およびその製造方法 |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA384799A (en) * | 1939-10-24 | Arthur Murphy Edward | Spongy rubber goods production | |
| US2549864A (en) * | 1948-06-12 | 1951-04-24 | Ohio Commw Eng Co | Continuous process for making sponge rubber |
| US2866730A (en) * | 1955-05-11 | 1958-12-30 | Haskelite Mfg Corp | Laminated panel and process for producing same |
| US2929793A (en) * | 1957-07-12 | 1960-03-22 | Joseph J Hirsh | Method of making closed cell polyvinyl chloride foam |
| US3147164A (en) * | 1959-04-06 | 1964-09-01 | Caradco Inc | Method of making shaped laminated resinous products |
| US3215581A (en) * | 1963-03-04 | 1965-11-02 | Air Prod & Chem | Foaming apparatus |
| GB1016719A (en) * | 1963-07-25 | 1966-01-12 | Ici Ltd | Manufacture of laminated articles having a foam core |
| GB1131890A (en) | 1965-10-15 | 1968-10-30 | Hercules Inc | Improvements in and relating to machine and process for continuous manufacture of foamed products of polymeric thermoplastic composition |
| US3487143A (en) | 1966-11-30 | 1969-12-30 | Goodrich Co B F | Apparatus and method for the continuous casting of polyurethane flat belting |
| DE1959904U (de) | 1967-02-11 | 1967-05-11 | Lorenz Polygon Ausbau G M B H | Staehlerner streckenausbau in tuerstockform. |
| FR1599874A (enExample) * | 1968-11-29 | 1970-07-20 | ||
| BE728672A (enExample) | 1969-02-20 | 1969-08-01 | ||
| DE2037930A1 (de) | 1969-07-31 | 1971-02-18 | Sumitomo Bakelite Co | Verfahren zum kontinuierlichen Her stellen eines Phenolschaumstoffes |
| SE338866B (enExample) * | 1969-11-28 | 1971-09-20 | Electrolux Ab | |
| ES399534A1 (es) * | 1971-03-02 | 1975-07-01 | Dynamit Nobel Ag | Un procedimiento para la fabricacion continua de esponja deresina fenolica en bandas sin fin. |
| FR2147766B1 (enExample) | 1971-04-15 | 1974-03-08 | Saint Gobain Pont A Mousson | |
| US3878278A (en) * | 1971-10-21 | 1975-04-15 | Charles H Miller | Lightweight reinforced structural material |
| ZA721386B (en) * | 1971-12-02 | 1972-11-29 | Dynamit Nobel Ag | Process and device for the continous production of phenolic-resin foam in endless runs |
| US3835208A (en) * | 1972-06-09 | 1974-09-10 | Exxon Research Engineering Co | Method for producing an integral skin phenolic foam |
| GB1460792A (en) | 1973-01-18 | 1977-01-06 | Mitsubishi Rayon Co | Process for continuous manufacture ofu'ethyl methacrylate polymer |
| US3821337A (en) * | 1973-05-07 | 1974-06-28 | Exxon Research Engineering Co | Process for controlled curing of foams |
| GB1463063A (en) * | 1973-08-06 | 1977-02-02 | Ici Ltd | Process for producing moulded expanded urea-formaldehyde products |
| JPS5179156A (ja) * | 1974-12-30 | 1976-07-09 | Kansai Paint Co Ltd | Kyujogoseijushifunmatsuoseizosuru hoho |
-
1976
- 1976-05-12 FR FR7614330A patent/FR2350945A1/fr active Granted
-
1977
- 1977-05-03 GB GB18502/77A patent/GB1555420A/en not_active Expired
- 1977-05-05 IE IE913/77A patent/IE45414B1/en unknown
- 1977-05-09 IT IT23338/77A patent/IT1075543B/it active
- 1977-05-10 FI FI771475A patent/FI65939C/fi not_active IP Right Cessation
- 1977-05-10 SE SE7705470A patent/SE416117B/xx not_active IP Right Cessation
- 1977-05-10 CA CA278,017A patent/CA1101624A/en not_active Expired
- 1977-05-11 NL NL7705202A patent/NL7705202A/xx not_active Application Discontinuation
- 1977-05-11 LU LU77311A patent/LU77311A1/xx unknown
- 1977-05-11 ES ES458696A patent/ES458696A1/es not_active Expired
- 1977-05-11 DK DK206277A patent/DK150976C/da active
- 1977-05-11 CH CH589577A patent/CH612620A5/xx not_active IP Right Cessation
- 1977-05-11 NO NO771656A patent/NO148842C/no unknown
- 1977-05-11 BE BE177493A patent/BE854522A/xx unknown
- 1977-05-12 MX MX169115A patent/MX146710A/es unknown
- 1977-05-12 AT AT0343077A patent/AT364766B/de not_active IP Right Cessation
- 1977-05-12 JP JP5379477A patent/JPS52137468A/ja active Granted
- 1977-05-12 DE DE2721473A patent/DE2721473C2/de not_active Expired
-
1978
- 1978-09-22 US US05/945,066 patent/US4252515A/en not_active Expired - Lifetime
-
1980
- 1980-03-13 US US06/130,003 patent/US4332754A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| SE7705470L (sv) | 1977-11-13 |
| IE45414L (en) | 1977-11-12 |
| DK206277A (da) | 1977-11-13 |
| AT364766B (de) | 1981-11-10 |
| GB1555420A (en) | 1979-11-07 |
| DK150976B (da) | 1987-10-05 |
| CA1101624A (en) | 1981-05-26 |
| DE2721473A1 (de) | 1977-12-01 |
| JPS52137468A (en) | 1977-11-16 |
| US4252515A (en) | 1981-02-24 |
| DK150976C (da) | 1988-02-15 |
| FR2350945B1 (enExample) | 1979-10-05 |
| IT1075543B (it) | 1985-04-22 |
| NO771656L (no) | 1977-11-15 |
| ES458696A1 (es) | 1978-03-01 |
| SE416117B (sv) | 1980-12-01 |
| US4332754A (en) | 1982-06-01 |
| NO148842B (no) | 1983-09-19 |
| CH612620A5 (enExample) | 1979-08-15 |
| MX146710A (es) | 1982-08-03 |
| LU77311A1 (enExample) | 1977-12-13 |
| IE45414B1 (en) | 1982-08-25 |
| FR2350945A1 (fr) | 1977-12-09 |
| ATA343077A (de) | 1981-04-15 |
| FI65939B (fi) | 1984-04-30 |
| BE854522A (fr) | 1977-11-14 |
| FI771475A7 (enExample) | 1977-11-13 |
| NL7705202A (nl) | 1977-11-15 |
| DE2721473C2 (de) | 1987-04-30 |
| NO148842C (no) | 1983-12-28 |
| JPS6117252B2 (enExample) | 1986-05-07 |
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