IT7820515A0 - Strutture fibrose. - Google Patents

Strutture fibrose.

Info

Publication number: IT7820515A0
Authority: IT; Italy
Prior art keywords: fibrous structures; fibrous; structures
Prior art date: 1977-02-23

Application number

IT7820515A

Other languages

English (en)

Other versions

IT1092806B (it

Original Assignee

Ici Ltd

Priority date (The priority date 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 date listed.)

1977-02-23

Filing date

1978-02-22

Publication date

1978-02-22

1978-02-22 Application filed by Ici Ltd filed Critical Ici Ltd

1978-02-22 Publication of IT7820515A0 publication Critical patent/IT7820515A0/it

1985-07-12 Application granted granted Critical

1985-07-12 Publication of IT1092806B publication Critical patent/IT1092806B/it

Links

Classifications

- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4326—Condensation or reaction polymers
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4326—Condensation or reaction polymers
- D04H1/4334—Polyamides
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4326—Condensation or reaction polymers
- D04H1/435—Polyesters
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
- D04H1/5412—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres sheath-core
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/542—Adhesive fibres
- D04H1/549—Polyamides
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/542—Adhesive fibres
- D04H1/55—Polyesters
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
- D04H1/5414—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres side-by-side
- 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
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/92—Fire or heat protection feature
- 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
- Y10T428/2835—Web or sheet containing structurally defined element or component and having an adhesive outermost layer including moisture or waterproof 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2929—Bicomponent, conjugate, composite or collateral fibers or filaments [i.e., coextruded sheath-core or side-by-side type]
- 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/2962—Silane, silicone or siloxane in coating
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/608—Including strand or fiber material which is of specific structural definition
- Y10T442/627—Strand or fiber material is specified as non-linear [e.g., crimped, coiled, etc.]
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/637—Including strand or fiber material which is a monofilament composed of two or more polymeric materials in physically distinct relationship [e.g., sheath-core, side-by-side, islands-in-sea, fibrils-in-matrix, etc.] or composed of physical blend of chemically different polymeric materials or a physical blend of a polymeric material and a filler material
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/69—Autogenously bonded nonwoven fabric
- Y10T442/692—Containing at least two chemically different strand or fiber materials

Landscapes

Engineering & Computer Science (AREA)
Textile Engineering (AREA)
Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Nonwoven Fabrics (AREA)
Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Multicomponent Fibers (AREA)

IT20515/78A 1977-02-23 1978-02-22 Strutture fibrose IT1092806B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB7570/77A GB1567977A (en)	1977-02-23	1977-02-23	Water repellant fibrous structure and its use as a flame suppressant

Publications (2)

Publication Number	Publication Date
IT7820515A0 true IT7820515A0 (it)	1978-02-22
IT1092806B IT1092806B (it)	1985-07-12

Family

ID=9835676

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT20515/78A IT1092806B (it)	1977-02-23	1978-02-22	Strutture fibrose

Country Status (7)

Country	Link
US (1)	US4154357A (it)
JP (1)	JPS53106877A (it)
DE (1)	DE2807597C2 (it)
FR (1)	FR2381854A1 (it)
GB (1)	GB1567977A (it)
IT (1)	IT1092806B (it)
NL (1)	NL184699C (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1981000422A1 (en) *	1979-07-31	1981-02-19	K Holbek	Process for the preparation of fibers
EP0088191A3 (en) *	1982-03-08	1986-02-19	Imperial Chemical Industries Plc	Polyester fibrefill blend
US4551378A (en) *	1984-07-11	1985-11-05	Minnesota Mining And Manufacturing Company	Nonwoven thermal insulating stretch fabric and method for producing same
US4657804A (en) *	1985-08-15	1987-04-14	Chicopee	Fusible fiber/microfine fiber laminate
US5045085A (en) *	1987-08-21	1991-09-03	Globe-Union Inc.	Battery explosion attenuation material and method
US4859546A (en) *	1987-08-21	1989-08-22	Globe-Union Inc.	Battery explosion attenuation material and method
US5104728A (en) *	1988-01-22	1992-04-14	Fiberweb, North America, Inc.	Ultrasonically bonded fabric and method of making same
US5178973A (en) *	1991-02-20	1993-01-12	Globe-Union, Inc.	Battery having improved explosion attenuation material
US5173374A (en) *	1991-03-12	1992-12-22	Globe-Union, Inc.	Explosion attenuation system and method for assembly in battery
US5382400A (en) *	1992-08-21	1995-01-17	Kimberly-Clark Corporation	Nonwoven multicomponent polymeric fabric and method for making same
US5336552A (en) *	1992-08-26	1994-08-09	Kimberly-Clark Corporation	Nonwoven fabric made with multicomponent polymeric strands including a blend of polyolefin and ethylene alkyl acrylate copolymer
US5405682A (en) *	1992-08-26	1995-04-11	Kimberly Clark Corporation	Nonwoven fabric made with multicomponent polymeric strands including a blend of polyolefin and elastomeric thermoplastic material
CA2092604A1 (en) *	1992-11-12	1994-05-13	Richard Swee-Chye Yeo	Hydrophilic, multicomponent polymeric strands and nonwoven fabrics made therewith
US5482772A (en)	1992-12-28	1996-01-09	Kimberly-Clark Corporation	Polymeric strands including a propylene polymer composition and nonwoven fabric and articles made therewith

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1073181A (en) *	1963-02-05	1967-06-21	Ici Ltd	Bonded-web nonwoven products
DE1913246A1 (de) *	1969-03-15	1970-10-01	Bayer Ag	Verfahren zur Herstellung von verfestigten Vliesen und Matten
US3622035A (en) *	1969-07-28	1971-11-23	Charles A Suter	Puncture-resistant fuel container
US3650431A (en) *	1969-12-19	1972-03-21	Phillips Petroleum Co	Safety container
GB1406252A (en) *	1972-03-02	1975-09-17	Impeial Chemical Ind Ltd	Non-woven materials and a method of making them
GB1452654A (en) *	1974-07-25	1976-10-13	Ici Ltd	Production of a moulded bonded non-woven fibrous product
GB1524713A (en) *	1975-04-11	1978-09-13	Ici Ltd	Autogeneously bonded non-woven fibrous structure

1977
- 1977-02-23 GB GB7570/77A patent/GB1567977A/en not_active Expired
1978
- 1978-02-14 US US05/877,736 patent/US4154357A/en not_active Expired - Lifetime
- 1978-02-20 JP JP1774378A patent/JPS53106877A/ja active Granted
- 1978-02-22 DE DE2807597A patent/DE2807597C2/de not_active Expired
- 1978-02-22 NL NLAANVRAGE7801980,A patent/NL184699C/xx not_active IP Right Cessation
- 1978-02-22 FR FR7805032A patent/FR2381854A1/fr active Granted
- 1978-02-22 IT IT20515/78A patent/IT1092806B/it active

Also Published As

Publication number	Publication date
NL184699B (nl)	1989-05-01
US4154357A (en)	1979-05-15
JPS6215665B2 (it)	1987-04-08
FR2381854B1 (it)	1983-08-12
GB1567977A (en)	1980-05-21
JPS53106877A (en)	1978-09-18
IT1092806B (it)	1985-07-12
FR2381854A1 (fr)	1978-09-22
NL184699C (nl)	1989-10-02
DE2807597A1 (de)	1978-08-31
DE2807597C2 (de)	1986-03-27
NL7801980A (nl)	1978-08-25

Publication	Publication Date	Title
BE857379A (fr)	1977-12-01	Structures fibreuses allongees.
NL7811154A (nl)	1979-05-14	Geluid-absorberende constructie.
IT7827918A0 (it)	1978-09-21	Multielaboratore perfezionato.
IT7828241A0 (it)	1978-09-29	Multi-elaboratore perfezionato.
BE865203A (fr)	1978-09-22	Hogedruk-kwikdampontladingslamp.
NL7805121A (nl)	1978-11-15	Gesubstitueerde fenylaminocarbonylbenzamiden.
NL7805196A (nl)	1978-11-21	Railhangbaan-installatie.
NL7811455A (nl)	1979-05-30	Paneelconstructie.
NL7804145A (nl)	1978-10-20	Gesubstitueerde octanen.
NL7806027A (nl)	1978-12-05	Gemodificeerde vezels.
IT7820515A0 (it)	1978-02-22	Strutture fibrose.
NL7712585A (nl)	1979-05-17	Hydrofoorinstallatie.
BE863161A (fr)	1978-05-16	Calandre
NL7800401A (nl)	1978-07-19	Constructie-elementen.
NL7802585A (nl)	1978-09-13	Verbindingsstructuur.
NL7713096A (nl)	1978-08-21	Gesubstitueerde alaninen.
ES230849Y (es)	1978-03-16	Escurridor.
NL7703172A (nl)	1978-09-26	Isolatieplaat.
ES232526Y (es)	1978-06-01	Bigudi mejorado.
ES231364Y (es)	1978-06-01	Hidromezclador mejorado.
NL180770C (nl)	1987-04-16	Vezelvlies.
ES231952Y (es)	1978-05-01	Bidon.
ES227545Y (es)	1977-12-01	Grapa.
ES226275Y (es)	1977-11-16	Fleco despedregador.
ES231014Y (es)	1978-03-16	Burlete.