FI69774C - Saett och anordning foer att soenderdela plast- och/eller gummimaterial - Google Patents
Saett och anordning foer att soenderdela plast- och/eller gummimaterial Download PDFInfo
- Publication number
- FI69774C FI69774C FI810286A FI810286A FI69774C FI 69774 C FI69774 C FI 69774C FI 810286 A FI810286 A FI 810286A FI 810286 A FI810286 A FI 810286A FI 69774 C FI69774 C FI 69774C
- Authority
- FI
- Finland
- Prior art keywords
- disintegrating
- plate
- och
- metal
- cable
- Prior art date
Links
- 239000000463 material Substances 0.000 claims abstract description 47
- 229910052751 metal Inorganic materials 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000004033 plastic Substances 0.000 claims abstract description 13
- 229920003023 plastic Polymers 0.000 claims abstract description 13
- 230000010355 oscillation Effects 0.000 claims abstract description 6
- 230000010358 mechanical oscillation Effects 0.000 claims abstract 5
- 238000001816 cooling Methods 0.000 claims description 20
- 239000000758 substrate Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 239000004020 conductor Substances 0.000 description 8
- 238000000926 separation method Methods 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
- B29B17/0404—Disintegrating plastics, e.g. by milling to powder
- B29B17/0408—Disintegrating plastics, e.g. by milling to powder using cryogenic systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/16—Mills provided with vibrators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/18—Use of auxiliary physical effects, e.g. ultrasonics, irradiation, for disintegrating
- B02C19/186—Use of cold or heat for disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
- B29B17/0206—Selectively separating reinforcements from matrix material by destroying the interface bound before disintegrating the matrix to particles or powder, e.g. from tires or belts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/10—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air
- F25D3/11—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air with conveyors carrying articles to be cooled through the cooling space
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B15/00—Apparatus or processes for salvaging material from cables
- H01B15/001—Apparatus or processes for salvaging material from cables by cooling down
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0217—Mechanical separating techniques; devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0217—Mechanical separating techniques; devices therefor
- B29B2017/0224—Screens, sieves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
- B29B2017/0416—Cooling the plastics before disintegration, e.g. freezing
-
- 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
- B29K2021/00—Use of unspecified rubbers as moulding material
-
- 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
- B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
-
- 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
- B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
- B29K2705/04—Lead
-
- 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
- B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
- B29K2705/08—Transition metals
- B29K2705/10—Copper
-
- 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
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3462—Cables
-
- 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
- B29L2031/00—Other particular articles
- B29L2031/707—Cables, i.e. two or more filaments combined together, e.g. ropes, cords, strings, yarns
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Disintegrating Or Milling (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Processing Of Solid Wastes (AREA)
- Removal Of Insulation Or Armoring From Wires Or Cables (AREA)
Claims (6)
1. Förfarande att sönderdela plast- och/eller gummi-material, säsom pä kärnor av metall anbringade höljen av 5 plast och/eller gummi, varvid materialet som skall sönder-delas nedkyles till en temperatur vid vilken det blir sprött, och därefter utsättes för sönderdelande mekaniska svängningar, kännetecknat därav, att det genom nedkylning spröda materialet bibringas de sönderdelande me-10 kaniska svängningarna genom att det bringas passera genom en spaltformad passage mellan tvä relativt varandra sväng-ande plattor, vilka anligger mot materialet under dettas passage av plattorna.
2. Förfarande enligt patentkravet 1, k ä n n e -15 tecknat därav, att materialet utsättes för svängningar med en amplitud pä cirka 2...3 mm och en frekvens överstigande 30 perioder/sekund.
3. Anordning för att sönderdela plast- och/eller gummimaterial, säsom pä kärnor av metall anbringade höljen 20 av plast och/eller gummi, innefattande organ (6) för nedkylning av materialet som skall sönderdelas tili en temperatur vid vilken det blir sprött och organ (20) för att därefter utsätta materialet för sönderdelande mekaniska svängningar, kännetecknad därav, att organen 25 (20) för utsättande av det spröda materialet för mekaniska svängningar innefattar en vibrerande platta (22) anordnad pä litet avständ frän ett fast underlag (30), för att där-emellan bilda en spaltformad passage genom vilken det spröda materialet är avsett att passera under kontakt med säväl 30 den vibrerande plattan som underlaget.
4. Anordning enligt patentkravet 3, kännetecknad därav, att plattans (22) vibrationer har en amplitud pä cirka 2...3 mm och en frekvens överstigande 30 perioder/sekund.
5. Anordning enligt patentkravet 3 eller 4, k ä n - netecknad därav, att vibratorplattan (22) är upp-
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8000927 | 1980-02-05 | ||
SE8000927 | 1980-02-05 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI810286L FI810286L (fi) | 1981-08-06 |
FI69774B FI69774B (fi) | 1985-12-31 |
FI69774C true FI69774C (fi) | 1986-05-26 |
Family
ID=20340177
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI810286A FI69774C (fi) | 1980-02-05 | 1981-02-02 | Saett och anordning foer att soenderdela plast- och/eller gummimaterial |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS56121733A (sv) |
AU (1) | AU6664481A (sv) |
DE (1) | DE3103311A1 (sv) |
DK (1) | DK45681A (sv) |
FI (1) | FI69774C (sv) |
FR (1) | FR2474893A1 (sv) |
GB (1) | GB2070623A (sv) |
IT (1) | IT1143357B (sv) |
NL (1) | NL8100554A (sv) |
NO (1) | NO155609C (sv) |
SE (1) | SE452281B (sv) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3338781A1 (de) * | 1983-10-26 | 1985-05-09 | Wabco Westinghouse Steuerungstechnik GmbH & Co, 3000 Hannover | Druckmittelbetaetigbarer arbeitszylinder mit einer einrichtung zum daempfen der endabbremsung des arbeitskolbens |
DE3340273A1 (de) * | 1983-11-08 | 1985-05-15 | Bernd Dipl.-Ing. 5024 Pulheim Drzevitzky | Verfahren und vorrichtung zur verwertung von kunststoffbeschichteten kabelresten |
DE3443042A1 (de) * | 1984-11-26 | 1986-05-28 | Linde Ag, 6200 Wiesbaden | Verfahren zur wiedergewinnung von bestandteilen eines verbundwerkstoffes |
JPH01124784A (ja) * | 1987-11-10 | 1989-05-17 | Mitsubishi Electric Corp | 近接信管 |
DE3915984C1 (sv) * | 1989-05-17 | 1990-09-06 | Wolfgang 6601 Kleinblittersdorf De Decker | |
DE4137895C2 (de) * | 1991-11-18 | 2000-02-10 | Johannes Kersting | Verfahren zum Abtrennen von Aluminiumfolien von Kunststoffolien, insbesondere PE-Folien |
PL173167B1 (pl) * | 1993-03-27 | 1998-01-30 | Achterkerke Heinz Egon | Urządzenie do likwidacji starych oszklonych okien |
DE4425211A1 (de) * | 1994-07-16 | 1996-01-18 | Lentjes Kraftwerkstechnik | Verfahren zur Verwertung organische Bestandteile enthaltender Stoffe und Einschmelzung der anorganischen Bestandteile durch Verbrennung |
UA47425C2 (uk) * | 1995-03-16 | 2002-07-15 | Євгєній Владіміровіч Даньщіков | Спосіб переробки гумотехнічних виробів |
DE19545580C2 (de) * | 1995-12-07 | 2003-02-13 | Rheinmetall W & M Gmbh | Verfahren und Anordnung zum Aufschluß von elastischen Materialien in Verbindung mit metallischen Materialien |
DE20018273U1 (de) * | 2000-10-17 | 2002-02-28 | RECOM Patent & License GmbH, 10719 Berlin | Anlage zur Aufbereitung von Altgummi |
PL197705B1 (pl) * | 2001-01-22 | 2008-04-30 | Jan Maraszewski | Sposób i urządzenie do odzyskiwania materiału z przewodów instalacyjnych o żyle wielodrutowej |
FR2853403B1 (fr) * | 2003-04-07 | 2017-05-19 | Air Liquide | Procede et installation de traitement- croutage/refroidissement/surgelation-de produits |
CN108722621B (zh) * | 2018-03-30 | 2024-03-12 | 北京工商大学 | 超声波谐振破碎装置与方法 |
CN109939774A (zh) * | 2019-04-29 | 2019-06-28 | 南昌矿山机械有限公司 | 一种振动击打式制砂机及方法 |
CN115709212B (zh) * | 2022-11-21 | 2024-09-17 | 海南大学 | 一种用于研究塑料生物降解的实验装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2738933A (en) * | 1953-01-06 | 1956-03-20 | Frank H Dougherty | Jaw crushers |
US2879005A (en) * | 1954-12-29 | 1959-03-24 | Melvin Sobel | Method of refining scrap plastic and apparatus therefor |
FR2349110A1 (fr) * | 1976-04-21 | 1977-11-18 | Air Liquide | Procede et dispositif de refrigeration en continu de produits en vrac |
-
1981
- 1981-01-16 SE SE8100221A patent/SE452281B/sv not_active IP Right Cessation
- 1981-01-28 AU AU66644/81A patent/AU6664481A/en not_active Abandoned
- 1981-01-31 DE DE3103311A patent/DE3103311A1/de not_active Withdrawn
- 1981-02-02 DK DK45681A patent/DK45681A/da unknown
- 1981-02-02 FI FI810286A patent/FI69774C/fi not_active IP Right Cessation
- 1981-02-03 GB GB8103308A patent/GB2070623A/en not_active Withdrawn
- 1981-02-04 NO NO810383A patent/NO155609C/no unknown
- 1981-02-04 JP JP1556281A patent/JPS56121733A/ja active Pending
- 1981-02-04 IT IT6715181A patent/IT1143357B/it active
- 1981-02-04 FR FR8102104A patent/FR2474893A1/fr not_active Withdrawn
- 1981-02-05 NL NL8100554A patent/NL8100554A/nl not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
FI69774B (fi) | 1985-12-31 |
SE8100221L (sv) | 1981-08-06 |
IT8167151A0 (it) | 1981-02-04 |
GB2070623A (en) | 1981-09-09 |
DK45681A (da) | 1981-08-06 |
NO155609B (no) | 1987-01-19 |
SE452281B (sv) | 1987-11-23 |
IT1143357B (it) | 1986-10-22 |
AU6664481A (en) | 1981-08-13 |
NO810383L (no) | 1981-08-06 |
NL8100554A (nl) | 1981-09-01 |
FI810286L (fi) | 1981-08-06 |
DE3103311A1 (de) | 1981-12-24 |
NO155609C (no) | 1987-04-29 |
FR2474893A1 (fr) | 1981-08-07 |
JPS56121733A (en) | 1981-09-24 |
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