SE394264B - Sammansatt tygmaterial - Google Patents
Sammansatt tygmaterialInfo
- Publication number
- SE394264B SE394264B SE7207909A SE790972A SE394264B SE 394264 B SE394264 B SE 394264B SE 7207909 A SE7207909 A SE 7207909A SE 790972 A SE790972 A SE 790972A SE 394264 B SE394264 B SE 394264B
- Authority
- SE
- Sweden
- Prior art keywords
- fabric material
- composite fabric
- composite
- fabric
- Prior art date
Links
Classifications
-
- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/245—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it being a foam 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
-
- 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
- B32B27/065—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 foam
-
- 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
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary 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
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- 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
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
-
- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
-
- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/024—Woven fabric
-
- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/026—Knitted fabric
-
- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0043—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers
- D06N3/0045—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers obtained by applying a ready-made foam layer; obtained by compressing, crinkling or crushing a foam layer, e.g. Kaschierverfahren für Schaumschicht
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0261—Polyamide fibres
-
- 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
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/0278—Polyurethane
-
- 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
- B32B2305/02—Cellular or porous
- B32B2305/022—Foam
-
- 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
- B32B2305/10—Fibres of continuous length
- B32B2305/18—Fabrics, textiles
- B32B2305/186—Knitted fabrics
-
- 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
- B32B2305/10—Fibres of continuous length
- B32B2305/18—Fabrics, textiles
- B32B2305/188—Woven fabrics
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
-
- 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
- B32B2310/04—Treatment by energy or chemical effects using liquids, gas or steam
- B32B2310/0445—Treatment by energy or chemical effects using liquids, gas or steam using gas or flames
-
- 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
- B32B2375/00—Polyureas; Polyurethanes
-
- 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
- B32B2377/00—Polyamides
-
- 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
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249981—Plural void-containing 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
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
-
- 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
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
-
- 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.]
- Y10T442/30—Woven fabric [i.e., woven strand or strip material]
- Y10T442/3325—Including a foamed layer or component
- Y10T442/3341—Plural foam layers
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2836171 | 1971-06-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
SE394264B true SE394264B (sv) | 1977-06-20 |
Family
ID=10274448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7207909A SE394264B (sv) | 1971-06-17 | 1972-06-15 | Sammansatt tygmaterial |
Country Status (15)
Country | Link |
---|---|
US (1) | US3817818A (sv) |
AU (1) | AU461339B2 (sv) |
BE (1) | BE785035A (sv) |
CA (1) | CA957261A (sv) |
CH (2) | CH892272A4 (sv) |
DE (1) | DE2229498A1 (sv) |
ES (1) | ES403942A1 (sv) |
FR (1) | FR2141976B1 (sv) |
GB (1) | GB1339518A (sv) |
IE (1) | IE36403B1 (sv) |
IT (1) | IT965698B (sv) |
LU (1) | LU65531A1 (sv) |
NL (1) | NL7208314A (sv) |
SE (1) | SE394264B (sv) |
ZA (1) | ZA723866B (sv) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4199390A (en) * | 1974-02-22 | 1980-04-22 | Pollard Stephen L | Embossing and laminating process |
US4054706A (en) * | 1975-05-28 | 1977-10-18 | Continental Combining Corporation | Lining material for foot wear and a method for manufacturing same |
US4147829A (en) * | 1976-09-28 | 1979-04-03 | Strentex Fabrics Limited | Laminated material |
US4303712A (en) * | 1979-01-22 | 1981-12-01 | Woodroof E Aubrey | Fabric silicone elastomer composite |
US4276341A (en) * | 1979-05-02 | 1981-06-30 | Kabushiki Kaisha Asahi Gomu | Wet suit material and wet suit made thereof |
DE3022242A1 (de) * | 1980-06-13 | 1982-05-06 | Spezialkaschierungen Erich Jost GmbH & Co KG, 4050 Mönchengladbach | Thermokaschieren auf einem transfer-kalander |
GB2132554B (en) * | 1982-12-17 | 1986-10-01 | British United Shoe Machinery | Shoe insole and the manufacture thereof |
US4557970A (en) * | 1983-11-21 | 1985-12-10 | Monsanto Company | Laminate structure with improved acoustical absorption |
US4476183A (en) * | 1983-11-21 | 1984-10-09 | Monsanto Company | Thermoformable laminate structure with improved acoustical absorption |
US4621013A (en) * | 1983-11-21 | 1986-11-04 | Monsanto Company | Thermoformable laminate structure |
US4531994A (en) * | 1983-11-21 | 1985-07-30 | Monsanto Company | Process for preparing a thermoformable laminate structure |
US4529641A (en) * | 1983-11-21 | 1985-07-16 | Monsanto Company | Thermoformable laminate structure |
US4695501A (en) * | 1984-04-10 | 1987-09-22 | Fibre Converters, Inc. | Thermoformable composite articles |
US4595551A (en) * | 1984-09-21 | 1986-06-17 | Monsanto Company | Thermoforming of styrenic foam laminates |
WO1988006971A1 (en) * | 1987-03-18 | 1988-09-22 | A.V. Syntec Pty. Ltd. | Sporting surfaces |
DE10024832C2 (de) * | 2000-05-19 | 2003-04-30 | Thaemert Orthopaedische Hilfsmittel Gmbh & Co Kg | Weichelastisches Polster |
-
1971
- 1971-06-17 GB GB2836171A patent/GB1339518A/en not_active Expired
-
1972
- 1972-06-06 IE IE770/72A patent/IE36403B1/xx unknown
- 1972-06-06 ZA ZA723866A patent/ZA723866B/xx unknown
- 1972-06-09 CA CA144,348A patent/CA957261A/en not_active Expired
- 1972-06-13 IT IT25591/72A patent/IT965698B/it active
- 1972-06-13 AU AU43341/72A patent/AU461339B2/en not_active Expired
- 1972-06-15 CH CH892272D patent/CH892272A4/xx unknown
- 1972-06-15 SE SE7207909A patent/SE394264B/sv unknown
- 1972-06-15 LU LU65531D patent/LU65531A1/xx unknown
- 1972-06-15 CH CH892272A patent/CH573305B5/xx not_active IP Right Cessation
- 1972-06-15 FR FR7221643A patent/FR2141976B1/fr not_active Expired
- 1972-06-16 BE BE785035A patent/BE785035A/xx unknown
- 1972-06-16 DE DE19722229498 patent/DE2229498A1/de active Pending
- 1972-06-16 ES ES403942A patent/ES403942A1/es not_active Expired
- 1972-06-16 NL NL7208314A patent/NL7208314A/xx not_active Application Discontinuation
- 1972-06-19 US US00264088A patent/US3817818A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
IE36403L (en) | 1972-12-17 |
IT965698B (it) | 1974-02-11 |
FR2141976B1 (sv) | 1977-12-23 |
LU65531A1 (sv) | 1972-10-20 |
FR2141976A1 (sv) | 1973-01-26 |
ZA723866B (en) | 1973-03-28 |
AU4334172A (en) | 1973-12-20 |
NL7208314A (sv) | 1972-12-19 |
CH892272A4 (sv) | 1975-09-30 |
BE785035A (fr) | 1972-10-16 |
AU461339B2 (en) | 1975-05-05 |
US3817818A (en) | 1974-06-18 |
CH573305B5 (sv) | 1976-03-15 |
GB1339518A (en) | 1973-12-05 |
DE2229498A1 (de) | 1972-12-21 |
IE36403B1 (en) | 1976-10-27 |
ES403942A1 (es) | 1975-12-16 |
CA957261A (en) | 1974-11-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FI55361C (fi) | Eldfast textilmaterial | |
FI55696B (fi) | Anordning foer bestrykning av banformigt material | |
CH544175A (de) | Faservlies | |
SE394264B (sv) | Sammansatt tygmaterial | |
BR7208276D0 (pt) | Estruturas compositas | |
FI54456B (fi) | Apparat foer upplindning av traodformigt material | |
BE754276A (fr) | Materiau composite | |
FI55370B (fi) | Anordning foer behandling av fibroest material innehaollande suspensioner | |
DE2145267B2 (de) | Verbundwerkstoffbahn | |
AT320796B (de) | Zusammengesetzter Spulenkörper | |
BR7208054D0 (pt) | Material composito decorativo | |
AR192788A1 (es) | Material abrasivo mejorado | |
AT322343B (de) | Wursthüllenmaterial | |
IT976214B (it) | Cerniera lampo tessuta | |
FI55882C (fi) | Anordning foer spetsdragning av banformigt material | |
CH537997A (de) | Webschützen | |
BE789588A (fr) | Nouveau materiau composite | |
BE779639A (fr) | Materiau de support composite | |
AT324983B (de) | Gewebebahn | |
AT310455B (de) | Flächenhaftes Verbundmaterial | |
BE783379A (fr) | Materiau feutre | |
AT327396B (de) | Verbandmaterial | |
IT972242B (it) | Strutture composite | |
BE759462A (fr) | Materiau composite | |
IT972241B (it) | Strutture composite |