BE881242A - Procede et appareil pour la fabrication de materiaux lamifies et ondules renforces - Google Patents
Procede et appareil pour la fabrication de materiaux lamifies et ondules renforcesInfo
- Publication number
- BE881242A BE881242A BE0/199038A BE199038A BE881242A BE 881242 A BE881242 A BE 881242A BE 0/199038 A BE0/199038 A BE 0/199038A BE 199038 A BE199038 A BE 199038A BE 881242 A BE881242 A BE 881242A
- Authority
- BE
- Belgium
- Prior art keywords
- manufacture
- reinforced laminated
- wave materials
- wave
- materials
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D24/00—Producing articles with hollow walls
- B29D24/002—Producing articles with hollow walls formed with structures, e.g. cores placed between two plates or sheets, e.g. partially filled
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/18—Thermoforming apparatus
- B29C51/20—Thermoforming apparatus having movable moulds or mould parts
- B29C51/22—Thermoforming apparatus having movable moulds or mould parts rotatable about an axis
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/22—Corrugating
- B29C53/24—Corrugating of plates or sheets
- B29C53/28—Corrugating of plates or sheets transverse to direction of feed
- B29C53/285—Corrugating of plates or sheets transverse to direction of feed using rolls or endless bands
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/06—Fibrous reinforcements only
- B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
- B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
- B29C70/20—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in a single direction, e.g. roofing or other parallel fibres
- B29C70/202—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in a single direction, e.g. roofing or other parallel fibres arranged in parallel planes or structures of fibres crossing at substantial angles, e.g. cross-moulding compound [XMC]
-
- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/28—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/685—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks by laminating inserts between two plastic films or plates
- B29C70/687—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks by laminating inserts between two plastic films or plates the inserts being oriented, e.g. nets or meshes
-
- 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
- B32B2305/08—Reinforcements
-
- 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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
- Y10T156/1007—Running or continuous length work
- Y10T156/1016—Transverse corrugating
- Y10T156/1018—Subsequent to assembly of laminae
-
- 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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
- Y10T156/1025—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina to form undulated to corrugated sheet and securing to base with parts of shaped areas out of contact
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24058—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
- Y10T428/24074—Strand or strand-portions
- Y10T428/24083—Nonlinear strands or strand-portions
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24058—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
- Y10T428/24074—Strand or strand-portions
- Y10T428/24091—Strand or strand-portions with additional layer[s]
- Y10T428/24099—On each side of strands or strand-portions
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24058—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
- Y10T428/24074—Strand or strand-portions
- Y10T428/24116—Oblique to direction of web
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24628—Nonplanar uniform thickness material
- Y10T428/24661—Forming, or cooperating to form cells
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24628—Nonplanar uniform thickness material
- Y10T428/24669—Aligned or parallel nonplanarities
- Y10T428/24694—Parallel corrugations
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24628—Nonplanar uniform thickness material
- Y10T428/24669—Aligned or parallel nonplanarities
- Y10T428/24694—Parallel corrugations
- Y10T428/24711—Plural corrugated components
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24628—Nonplanar uniform thickness material
- Y10T428/24669—Aligned or parallel nonplanarities
- Y10T428/24694—Parallel corrugations
- Y10T428/24711—Plural corrugated components
- Y10T428/24727—Plural corrugated components with planar 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
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
- Y10T428/24994—Fiber embedded in or on the surface of a polymeric matrix
- Y10T428/249941—Fiber is on the surface of a polymeric matrix having no embedded portion
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/913,242 US4228209A (en) | 1978-06-06 | 1978-06-06 | Wire reinforced corrugated board and method and apparatus for making same |
Publications (1)
Publication Number | Publication Date |
---|---|
BE881242A true BE881242A (fr) | 1980-05-16 |
Family
ID=25433075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE0/199038A BE881242A (fr) | 1978-06-06 | 1980-01-18 | Procede et appareil pour la fabrication de materiaux lamifies et ondules renforces |
Country Status (2)
Country | Link |
---|---|
US (1) | US4228209A (fr) |
BE (1) | BE881242A (fr) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4341579A (en) * | 1978-06-06 | 1982-07-27 | Chavannes Marc A | Wire reinforced corrugated board and method and apparatus for making same |
JPS6038809B2 (ja) * | 1979-11-20 | 1985-09-03 | 信越ポリマ−株式会社 | 異方導電性を有するエラスチツク構造体の製造方法 |
US4358498A (en) * | 1980-09-24 | 1982-11-09 | Chavannes Marc A | Reinforced laminated and corrugated board-like structures and method for the manufacturing thereof |
GB8603341D0 (en) * | 1986-02-11 | 1986-03-19 | Portapax Ltd | Foam sheet |
US5283099A (en) * | 1991-09-24 | 1994-02-01 | Dynamic Technologies, Inc. | Enhanced structural core material |
US6020063A (en) * | 1997-07-31 | 2000-02-01 | Virginia Tech Intellectual Properties, Inc. | Composites of thermosetting resins and carbon fibers having polyhydroxyether sizings |
US5998028A (en) * | 1997-08-26 | 1999-12-07 | Eastman Chemical Company | Thermoplastic article having metallic wire, rod or bar embedded therein |
US6360464B1 (en) * | 2000-04-21 | 2002-03-26 | John R. Tate | Magnetic product display |
ITMI20011108A1 (it) * | 2001-05-25 | 2002-11-25 | Dipiemme Dies And Plastic Mach | Procedimento e apparecchiatura di produzione in continuo di lastre ondulate/ grecate in nastro avvolgibile; nastro termoplastico avvolgibile |
US20080085390A1 (en) | 2006-10-04 | 2008-04-10 | Ryan Thomas Neill | Encapsulation of electrically energized articles |
US8287991B2 (en) * | 2006-10-04 | 2012-10-16 | Eastman Chemical Company | Using branched polymers to control the dimensional stability of articles in the lamination process |
US9150006B2 (en) | 2011-06-23 | 2015-10-06 | Eastman Chemical Company | Lamination process optimization utilizing neopentyl glycol-modified polyesters |
US20130336493A1 (en) * | 2012-06-18 | 2013-12-19 | First Act, Inc. | Flexible microphone and amplification system |
US11267217B2 (en) | 2016-08-23 | 2022-03-08 | Marc-Andre Racine | System and method for bending a hollow core sheet using rods |
DK3548688T3 (da) | 2016-11-30 | 2022-02-07 | Raxit Seals Aps | Forstærket fleksibel struktur eller tætningsliste |
WO2018099533A1 (fr) * | 2016-11-30 | 2018-06-07 | Rodexit Aps | Joint à barrière résistante aux rats |
AU2018389173B2 (en) * | 2017-12-22 | 2022-12-08 | Raxit Seals Aps | Reinforced flexible structure or seal |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US864775A (en) * | 1907-01-15 | 1907-09-03 | J W Sefton Mfg Company | Board. |
US952074A (en) * | 1907-03-12 | 1910-03-15 | J W Sefton Mfg Company | Board. |
US958450A (en) * | 1908-07-24 | 1910-05-17 | Henry Robbins Wardell | Bituminous structural material. |
US1269140A (en) * | 1917-11-30 | 1918-06-11 | Edward H Angier | Reinforced paper and method of making the same. |
US3591434A (en) * | 1967-08-21 | 1971-07-06 | Swirltex Inc | Bi-axial laminated non-woven fabric and method of manufacture |
US3687764A (en) * | 1967-09-27 | 1972-08-29 | Ethyl Corp | Method for producing a multilayer reinforced plastic sheet material |
US3802974A (en) * | 1970-12-01 | 1974-04-09 | L Emmel | Method and apparatus for insulating electrically conductive elements |
CA1041892A (fr) * | 1974-04-30 | 1978-11-07 | David H. Dawes | Lamellage a chaud de pellicules thermoplastiques |
-
1978
- 1978-06-06 US US05/913,242 patent/US4228209A/en not_active Expired - Lifetime
-
1980
- 1980-01-18 BE BE0/199038A patent/BE881242A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US4228209A (en) | 1980-10-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE881242A (fr) | Procede et appareil pour la fabrication de materiaux lamifies et ondules renforces | |
BE878948A (fr) | Appareil et procede de melange de matiere | |
BE879720A (fr) | Procede et appareil de fabrication de feuilles de metal deploye | |
RO76889A (fr) | Procede pour la preparation des 8-methoxymethylergolines ou methylmercaptomethylergolines | |
FR2516611B1 (fr) | Attache borgne, procede et appareil pour sa fabrication | |
BE858581A (fr) | Procede et appareil pour la fabrication du coke metallurgique | |
BE891463A (fr) | Procede ou dispositif pour la fabrication en continu de polyester | |
FR2326150A1 (fr) | Procede et dispositif pour la fabrication de fromages en continu | |
BE864756A (fr) | Procede et appareil pour la separation de materiaux | |
BE875486A (fr) | Panneau sandwich, procede et appareil pour la fabrication dudit panneau | |
BE860424A (fr) | Procede et appareil pour la fabrication de pains de savon jaspe | |
LU80969A1 (fr) | Procede et appareil pour mesurer le module de pertes de materiaux | |
PT67397B (fr) | Procede et appareil pour la fabrication continue d'une structure reticulaire non-tissue | |
IT1113488B (it) | Procedimento ed apparecchio per la produzione di pannelli laminati | |
BE865376A (fr) | Procede et appareil pour la fabrication de non-tisses | |
BE876499A (fr) | Procede et appareil de fabrication de films perfores | |
BE837813A (fr) | Procede et appareil de realisation de gaines d'isolation pour tuyauteries | |
FR2443475B1 (fr) | Procede et appareil pour demonomeriser le polycapronamide | |
FR2445345B1 (fr) | Procede ameliore pour la production de polyethylene | |
FR2500953B1 (fr) | Condensateur et procede et appareil pour sa fabrication | |
FR2273745A1 (fr) | Procede et appareil pour la fabrication de bobines a partir de bandes de materiaux planes | |
BE877698A (fr) | Procede et appareil pour la fabrication d'elements de construction modules | |
FR2480761B1 (fr) | Procede pour la fabrication de polyesters insatures | |
BE868687A (fr) | Procede et appareil pour la production de tuyaux multi-couches en matieres thermoplastiques | |
BE873042A (fr) | Procede pour la fabrication d'un panneau de construction sans amiante |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: CHAVANNES MARC A. Effective date: 19850118 |