CA2147330A1 - Film thermoplastique soudable par haute frequence - Google Patents
Film thermoplastique soudable par haute frequenceInfo
- Publication number
- CA2147330A1 CA2147330A1 CA2147330A CA2147330A CA2147330A1 CA 2147330 A1 CA2147330 A1 CA 2147330A1 CA 2147330 A CA2147330 A CA 2147330A CA 2147330 A CA2147330 A CA 2147330A CA 2147330 A1 CA2147330 A1 CA 2147330A1
- Authority
- CA
- Canada
- Prior art keywords
- high frequency
- thermoplastic film
- frequency current
- weldable
- thermoplastic
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
- B29C66/7234—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a barrier layer
-
- 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
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/20—Carboxylic acid amides
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/04—Dielectric heating, e.g. high-frequency welding, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
- B29C66/431—Joining the articles to themselves
- B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
-
- 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
- B32B2310/00—Treatment by energy or chemical effects
- B32B2310/028—Treatment by energy or chemical effects using vibration, e.g. sonic or ultrasonic
-
- 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
- B32B2439/00—Containers; Receptacles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/08—Copolymers of ethene
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2809—Web or sheet containing structurally defined element or component and having an adhesive outermost layer including irradiated or wave energy treated component
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2813—Heat or solvent activated or sealable
- Y10T428/2817—Heat sealable
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31931—Polyene monomer-containing
Abstract
La présente invention concerne un film thermoplastique comprenant au moins un copolymère d'éthylène soudable par un courant haute fréquence, caractérisé en ce que le film comprend une quantité au plus égale à 0,6% par rapport au film thermoplastique d'au moins un N,N'-éthylène bis amide pour obtenir un temps de soudure haute fréquence au plus égale à 1 seconde. L'invention concerne également un procdé
de soudage à haute fréquence de deux films thermoplastiques.
Les films ainsi soudés sont notamment utilisables pour l'industrie de l'emballage.
de soudage à haute fréquence de deux films thermoplastiques.
Les films ainsi soudés sont notamment utilisables pour l'industrie de l'emballage.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9404724A FR2719051B1 (fr) | 1994-04-20 | 1994-04-20 | Film thermoplastique soudable par haute fréquence. |
FR9404724 | 1994-04-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2147330A1 true CA2147330A1 (fr) | 1995-10-21 |
CA2147330C CA2147330C (fr) | 2000-04-11 |
Family
ID=9462313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002147330A Expired - Fee Related CA2147330C (fr) | 1994-04-20 | 1995-04-19 | Film thermoplastique soudable par haute frequence |
Country Status (15)
Country | Link |
---|---|
US (1) | US5661201A (fr) |
JP (1) | JP2696787B2 (fr) |
KR (1) | KR0165147B1 (fr) |
CN (1) | CN1053913C (fr) |
BE (1) | BE1008677A3 (fr) |
CA (1) | CA2147330C (fr) |
CH (1) | CH689942A5 (fr) |
DE (1) | DE19513890B4 (fr) |
ES (1) | ES2109873B1 (fr) |
FI (1) | FI111956B (fr) |
FR (1) | FR2719051B1 (fr) |
GB (1) | GB2289281B (fr) |
IT (1) | IT1273559B (fr) |
NL (1) | NL1000189C2 (fr) |
SE (1) | SE512741C2 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5985390A (en) * | 1996-05-14 | 1999-11-16 | Elf Atochem S.A. | Multilayer films which can be welded by high frequency |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001501664A (ja) * | 1996-10-04 | 2001-02-06 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | 改善されたエチレン―酢酸ビニル組成物、フィルム、および関連する方法 |
US6348679B1 (en) | 1998-03-17 | 2002-02-19 | Ameritherm, Inc. | RF active compositions for use in adhesion, bonding and coating |
JP2002506917A (ja) * | 1998-03-17 | 2002-03-05 | アメリサーム, インコーポレイテッド | 接着、接合およびコーティングで使用するためのrf活性組成物 |
US6649888B2 (en) | 1999-09-23 | 2003-11-18 | Codaco, Inc. | Radio frequency (RF) heating system |
JP2005511244A (ja) * | 2001-12-14 | 2005-04-28 | ザ プロクター アンド ギャンブル カンパニー | 電磁結合部を備える使い捨て吸収性物品及びその製造方法 |
US20040103985A1 (en) * | 2002-10-23 | 2004-06-03 | Sonoco Development, Inc. | Method of making a dry bonded paperboard structure |
US6783623B2 (en) * | 2002-10-23 | 2004-08-31 | Sonoco Development, Inc. | Method of making a dry bonded paperboard structure |
US20050065250A1 (en) * | 2003-09-24 | 2005-03-24 | Davis Donna Sue | Inorganic antiblock |
WO2006049982A2 (fr) * | 2004-11-01 | 2006-05-11 | Basf Corporation | Encres d'imprimante jet d'encre activees par radiofrequence et appareil pour l'impression par jet d'encre |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4918619A (fr) * | 1972-06-10 | 1974-02-19 | ||
US3969304A (en) * | 1974-11-27 | 1976-07-13 | National Distillers And Chemical Corporation | Ethylene polymer films |
US4183882A (en) * | 1978-01-09 | 1980-01-15 | W. R. Grace & Co. | Self-welding packaging film |
CA1202135A (fr) * | 1981-05-26 | 1986-03-18 | Malcolm S. Smith | Pastilles de co- et de terpolymeres d'ethylene anti-adhesives et anti-agglutinantes |
USRE32325E (en) * | 1981-05-26 | 1987-01-06 | E. I. Du Pont De Nemours And Company | Tack-free polymer pellets |
JPS6080838A (ja) * | 1983-10-07 | 1985-05-08 | Fuji Photo Film Co Ltd | ハロゲン化銀写真感光材料及びその現像処理方法 |
KR900001379B1 (ko) * | 1985-09-13 | 1990-03-09 | 이데미쯔세끼유가가꾸 가부시기가이샤 | 폴리에틸렌 수지조성물 |
JPS62106904A (ja) * | 1985-11-05 | 1987-05-18 | Nippon Synthetic Chem Ind Co Ltd:The | 品質の改善されたエチレン−酢酸ビニル共重合体ケン化物ペレツトの製造方法 |
US4839234A (en) * | 1986-05-13 | 1989-06-13 | Sumitomo Chemical Company, Limited | Polypropylene film |
AU7335187A (en) * | 1986-06-10 | 1987-12-17 | Calgene, Inc. | Agrobacterium transformation of plant tissue |
US4812504A (en) * | 1987-08-19 | 1989-03-14 | Mobil Oil Corporation | Compositions and extruded articles compromising polyolefin, polyamide and fatty acid amide |
US4977022A (en) * | 1988-03-15 | 1990-12-11 | W. R. Grace & Co.-Conn. | Barrier stretch film |
FR2658523A1 (fr) * | 1990-02-19 | 1991-08-23 | Norsolor Sa | Compositions glissantes, anti-bloquantes et de qualite optique a base de copolymeres d'ethylene de faible cristallinite. |
US5135785A (en) * | 1990-08-13 | 1992-08-04 | Colgate-Palmolive Company | Pouch containers and films therefor |
CA2104864C (fr) * | 1991-03-22 | 1997-03-18 | Claude Desmarais | Pellicule thermoplastique et methode utilisee pour la souder |
DE4122313A1 (de) * | 1991-07-05 | 1993-01-14 | Basf Ag | Thermoplastische polyolefin-formmassen mit einem gehalt an n,n'-hexamethylen-1,6-bis-erucamid |
DE4142271A1 (de) * | 1991-12-20 | 1993-06-24 | Danubia Petrochem Deutschland | Verfahren zum schweissen von aus polyolefinen, polyamiden und haftvermittlern bestehenden formteilen durch hochfrequenzschweissung, sowie folien aus polyolefinen, polyamiden und haftvermittlern |
JPH0660838A (ja) * | 1992-08-06 | 1994-03-04 | Nissin Electric Co Ltd | 低エネルギーイオン銃 |
JP3303350B2 (ja) * | 1992-09-04 | 2002-07-22 | 凸版印刷株式会社 | 高周波ウエルダー加工適性を有するシート |
JP2727396B2 (ja) * | 1993-04-30 | 1998-03-11 | アキレス株式会社 | 高周波ウエルダー加工用エチレン−アクリル系共重合樹脂フィルム |
-
1994
- 1994-04-20 FR FR9404724A patent/FR2719051B1/fr not_active Expired - Fee Related
-
1995
- 1995-04-12 CH CH01066/95A patent/CH689942A5/fr not_active IP Right Cessation
- 1995-04-13 IT ITMI950767A patent/IT1273559B/it active IP Right Grant
- 1995-04-14 US US08/422,396 patent/US5661201A/en not_active Expired - Fee Related
- 1995-04-18 JP JP7116496A patent/JP2696787B2/ja not_active Expired - Lifetime
- 1995-04-19 CA CA002147330A patent/CA2147330C/fr not_active Expired - Fee Related
- 1995-04-19 DE DE19513890A patent/DE19513890B4/de not_active Expired - Fee Related
- 1995-04-19 FI FI951864A patent/FI111956B/fi active
- 1995-04-19 BE BE9500361A patent/BE1008677A3/fr not_active IP Right Cessation
- 1995-04-19 SE SE9501417A patent/SE512741C2/sv not_active IP Right Cessation
- 1995-04-20 ES ES09500771A patent/ES2109873B1/es not_active Expired - Fee Related
- 1995-04-20 KR KR1019950009872A patent/KR0165147B1/ko not_active IP Right Cessation
- 1995-04-20 NL NL1000189A patent/NL1000189C2/xx not_active IP Right Cessation
- 1995-04-20 CN CN95104729A patent/CN1053913C/zh not_active Expired - Fee Related
- 1995-04-20 GB GB9508013A patent/GB2289281B/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5985390A (en) * | 1996-05-14 | 1999-11-16 | Elf Atochem S.A. | Multilayer films which can be welded by high frequency |
Also Published As
Publication number | Publication date |
---|---|
DE19513890A1 (de) | 1995-10-26 |
KR950029303A (ko) | 1995-11-22 |
FI951864A0 (fi) | 1995-04-19 |
NL1000189C2 (nl) | 1995-10-20 |
FI111956B (fi) | 2003-10-15 |
GB2289281B (en) | 1998-06-24 |
GB9508013D0 (en) | 1995-06-07 |
SE9501417D0 (sv) | 1995-04-19 |
SE9501417L (sv) | 1995-10-21 |
CN1112578A (zh) | 1995-11-29 |
CN1053913C (zh) | 2000-06-28 |
CH689942A5 (fr) | 2000-02-15 |
ES2109873B1 (es) | 1998-08-16 |
KR0165147B1 (ko) | 1999-03-20 |
CA2147330C (fr) | 2000-04-11 |
US5661201A (en) | 1997-08-26 |
FR2719051A1 (fr) | 1995-10-27 |
BE1008677A3 (fr) | 1996-07-02 |
ITMI950767A1 (it) | 1996-10-13 |
SE512741C2 (sv) | 2000-05-08 |
ES2109873A1 (es) | 1998-01-16 |
DE19513890B4 (de) | 2006-07-20 |
ITMI950767A0 (it) | 1995-04-13 |
JP2696787B2 (ja) | 1998-01-14 |
JPH07292176A (ja) | 1995-11-07 |
IT1273559B (it) | 1997-07-08 |
FI951864A (fi) | 1995-10-21 |
GB2289281A (en) | 1995-11-15 |
FR2719051B1 (fr) | 1996-05-31 |
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