FR1407582A - Procédé de soudage par haute fréquence de mousses de matière synthétique difficiles à souder par cette méthode - Google Patents
Procédé de soudage par haute fréquence de mousses de matière synthétique difficiles à souder par cette méthodeInfo
- Publication number
- FR1407582A FR1407582A FR987992A FR987992A FR1407582A FR 1407582 A FR1407582 A FR 1407582A FR 987992 A FR987992 A FR 987992A FR 987992 A FR987992 A FR 987992A FR 1407582 A FR1407582 A FR 1407582A
- Authority
- FR
- France
- Prior art keywords
- weld
- difficult
- high frequency
- frequency welding
- synthetic foams
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 title 2
- 239000006260 foam Substances 0.000 title 1
- 238000003466 welding Methods 0.000 title 1
Classifications
-
- 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
- C08J5/12—Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives
- C08J5/124—Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives using adhesives based on a macromolecular component
- C08J5/128—Adhesives without diluent
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
- B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
- B29C65/4815—Hot melt adhesives, e.g. thermoplastic adhesives
-
- 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
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/486—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by their physical form being non-liquid, e.g. in the form of granules or powders
-
- 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
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/026—Chemical pre-treatments
-
- 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
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
- B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
-
- 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
- B29C66/727—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 porous, e.g. foam
-
- 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
- B29C66/74—Joining plastics material to non-plastics material
- B29C66/748—Joining plastics material to non-plastics material to natural products or their composites, not provided for in groups B29C66/742 - B29C66/746
- B29C66/7484—Leather
-
- 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
- B29C66/74—Joining plastics material to non-plastics material
- B29C66/748—Joining plastics material to non-plastics material to natural products or their composites, not provided for in groups B29C66/742 - B29C66/746
- B29C66/7485—Natural fibres, e.g. wool, cotton
-
- 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
- B29C66/74—Joining plastics material to non-plastics material
- B29C66/748—Joining plastics material to non-plastics material to natural products or their composites, not provided for in groups B29C66/742 - B29C66/746
- B29C66/7486—Paper, e.g. cardboard
-
- 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
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
- B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
- B29C65/482—Drying adhesives, e.g. solvent based adhesives
-
- 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
- B29C66/729—Textile or other fibrous material made from plastics
- B29C66/7292—Textile or other fibrous material made from plastics coated
-
- 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
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof 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
- B29K2031/00—Use of polyvinylesters or derivatives thereof 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
- B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
- B29K2033/04—Polymers of esters
- B29K2033/12—Polymers of methacrylic acid esters, e.g. PMMA, i.e. polymethylmethacrylate
-
- 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
- B29K2105/0085—Copolymers
-
- 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
-
- 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
- B29K2313/00—Use of textile products or fabrics as reinforcement
-
- 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
- B29K2711/00—Use of natural products or their composites, not provided for in groups B29K2601/00 - B29K2709/00, for preformed parts, e.g. for inserts
- B29K2711/12—Paper, e.g. cardboard
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR987992A FR1407582A (fr) | 1964-09-14 | 1964-09-14 | Procédé de soudage par haute fréquence de mousses de matière synthétique difficiles à souder par cette méthode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR987992A FR1407582A (fr) | 1964-09-14 | 1964-09-14 | Procédé de soudage par haute fréquence de mousses de matière synthétique difficiles à souder par cette méthode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1407582A true FR1407582A (fr) | 1965-07-30 |
Family
ID=8838278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR987992A Expired FR1407582A (fr) | 1964-09-14 | 1964-09-14 | Procédé de soudage par haute fréquence de mousses de matière synthétique difficiles à souder par cette méthode |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1407582A (fr) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993011926A3 (fr) * | 1991-12-11 | 1994-06-09 | Baxter Int | Procedes et compositions conferant a des materiaux une sensibilite a la haute frequence |
| WO1996001377A1 (fr) * | 1994-07-01 | 1996-01-18 | Createc Patent Holding S.A. | Procede d'assemblage d'elements constitues au moins en partie par du bois ou par des materiaux analogues au bois |
| US6348679B1 (en) | 1998-03-17 | 2002-02-19 | Ameritherm, Inc. | RF active compositions for use in adhesion, bonding and coating |
| US6649888B2 (en) | 1999-09-23 | 2003-11-18 | Codaco, Inc. | Radio frequency (RF) heating system |
| US6913666B1 (en) | 1997-03-21 | 2005-07-05 | Woodwelding Ag | Process for anchoring connecting elements in a material with pores or cavities and connecting elements therefor |
| US6921264B2 (en) | 2002-08-23 | 2005-07-26 | Woodwelding Ag | Implant to be implanted in bone tissue or in bone tissue supplemented with bone substitute material |
| US6955540B2 (en) | 2002-08-23 | 2005-10-18 | Woodwelding Ag | Preparation for being fastened on a natural tooth part or tooth and corresponding fastening method |
| US7335205B2 (en) | 2001-03-02 | 2008-02-26 | Woodwelding Ag | Implants, device and method for joining tissue parts |
-
1964
- 1964-09-14 FR FR987992A patent/FR1407582A/fr not_active Expired
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993011926A3 (fr) * | 1991-12-11 | 1994-06-09 | Baxter Int | Procedes et compositions conferant a des materiaux une sensibilite a la haute frequence |
| US5840146A (en) * | 1991-12-11 | 1998-11-24 | Baxter International Inc. | Method and compositions that render materials RF responsive |
| WO1996001377A1 (fr) * | 1994-07-01 | 1996-01-18 | Createc Patent Holding S.A. | Procede d'assemblage d'elements constitues au moins en partie par du bois ou par des materiaux analogues au bois |
| US6913666B1 (en) | 1997-03-21 | 2005-07-05 | Woodwelding Ag | Process for anchoring connecting elements in a material with pores or cavities and connecting elements therefor |
| US6348679B1 (en) | 1998-03-17 | 2002-02-19 | Ameritherm, Inc. | RF active compositions for use in adhesion, bonding and coating |
| US6600142B2 (en) | 1998-03-17 | 2003-07-29 | Codaco, Inc. | RF active compositions for use in adhesion, bonding and coating |
| US6649888B2 (en) | 1999-09-23 | 2003-11-18 | Codaco, Inc. | Radio frequency (RF) heating system |
| US7335205B2 (en) | 2001-03-02 | 2008-02-26 | Woodwelding Ag | Implants, device and method for joining tissue parts |
| US8221475B2 (en) | 2001-03-02 | 2012-07-17 | Woodwelding Ag | Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof |
| US9924988B2 (en) | 2001-03-02 | 2018-03-27 | Woodwelding Ag | Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof |
| US9615872B2 (en) | 2001-03-02 | 2017-04-11 | Woodwelding Ag | Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof |
| US8114137B2 (en) | 2001-03-02 | 2012-02-14 | Woodwelding Ag | Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof |
| US8216286B2 (en) | 2001-03-02 | 2012-07-10 | Woodwelding Ag | Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof |
| US8221477B2 (en) | 2001-03-02 | 2012-07-17 | Woodwelding Ag | Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof |
| US9216083B2 (en) | 2001-03-02 | 2015-12-22 | Woodwelding Ag | Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof |
| US8323323B2 (en) | 2001-03-02 | 2012-12-04 | Woodwelding Ag | Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof |
| US8932337B2 (en) | 2001-03-02 | 2015-01-13 | Woodwelding Ag | Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof |
| US8945192B2 (en) | 2001-03-02 | 2015-02-03 | Woodwelding Ag | Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof |
| US6955540B2 (en) | 2002-08-23 | 2005-10-18 | Woodwelding Ag | Preparation for being fastened on a natural tooth part or tooth and corresponding fastening method |
| US6921264B2 (en) | 2002-08-23 | 2005-07-26 | Woodwelding Ag | Implant to be implanted in bone tissue or in bone tissue supplemented with bone substitute material |
| US7008226B2 (en) | 2002-08-23 | 2006-03-07 | Woodwelding Ag | Implant, in particular a dental implant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR1407582A (fr) | Procédé de soudage par haute fréquence de mousses de matière synthétique difficiles à souder par cette méthode | |
| FR915254A (fr) | Procédé de préparation des catalyseurs | |
| FR1488209A (fr) | Procédé de préparation de dérivés du cyclopropane et produits obtenus au cours de ce procédé | |
| FR1076883A (fr) | Procédé de soudure | |
| CH435255A (fr) | Procédé de préparation de nouveaux produits intermédiaires pour la synthèse de dérivés stéroïdes | |
| BE615611A (fr) | Procédé de préparation du permonosulfate de sodium, potassium, rubidium, caesium et ammonium | |
| FR1422664A (fr) | Procédé de production de nitrosocyclohexane dimère | |
| FR1390350A (fr) | Procédé de jonction de pièces en béryllium et produits obtenus par ce procédé | |
| FR1461196A (fr) | Procédé de production de l-glutamine par une méthode de fermentation | |
| FR1363593A (fr) | Procédé de production par biosynthèse de la céphalosporine c | |
| FR1503076A (fr) | Procédé de soudage par haute fréquence avec pénétration du courant | |
| CH388290A (fr) | Procédé de préparation de propylène dimère | |
| FR1425028A (fr) | Procédé de production par fermentation de 5-amino-4-imidazole carboxamidoribotide | |
| FR1189648A (fr) | Procédé de purification de hauts polymères du propylène | |
| FR1504112A (fr) | Procédé de préparation de dichlorobutènes par chloration du butadiène | |
| FR70655E (fr) | Procédé de clivage des organohalogénopolysilanes | |
| FR1403310A (fr) | Procédé et appareil pour la réunion en continu par soudage haute frequence, à recouvrement de bords opposés de pièces métalliques | |
| FR1400843A (fr) | Procédé de production de dérivés de la pyridine | |
| FR1447508A (fr) | Procédé de préparation de dérivés du dibenzocycloheptène | |
| FR1310385A (fr) | Procédé de préparation de stéroïdes azotés, intermédiaire utile à cette préparation et nouveaux composés obtenus par mise en oeuvre dudit procédé | |
| FR902834A (fr) | Procédé de préparation d'une matière à souder et baguettes de soudures fabriquées par ce procédé | |
| FR1176919A (fr) | Procédé de production de dérivés de la pheénothiazine et nouveaux dérivés préparables par ce procédé | |
| FR1353337A (fr) | Procédé de soudure par explosion et produits obtenus par ce procédé | |
| FR1377937A (fr) | Procédé de cristallisation du glutamate monosodique monohydraté | |
| FR939910A (fr) | Procédé perfectionné de synthèse et catalyseur en vue de cette synthèse |