ES297102U - Junta plastica - Google Patents
Junta plasticaInfo
- Publication number
- ES297102U ES297102U ES1986297102U ES297102U ES297102U ES 297102 U ES297102 U ES 297102U ES 1986297102 U ES1986297102 U ES 1986297102U ES 297102 U ES297102 U ES 297102U ES 297102 U ES297102 U ES 297102U
- Authority
- ES
- Spain
- Prior art keywords
- manufacturing
- same
- plastic sealing
- sealing
- layer
- 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
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K3/1025—Materials in mouldable or extrudable form for sealing or packing joints or covers characterised by non-chemical features of one or more of its constituents
- C09K3/1028—Fibres
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2200/06—Macromolecular organic compounds, e.g. prepolymers
- C09K2200/0607—Rubber or rubber derivatives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2200/06—Macromolecular organic compounds, e.g. prepolymers
- C09K2200/0607—Rubber or rubber derivatives
- C09K2200/061—Butyl rubber
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2200/06—Macromolecular organic compounds, e.g. prepolymers
- C09K2200/0615—Macromolecular organic compounds, e.g. prepolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09K2200/0635—Halogen-containing polymers, e.g. PVC
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2200/06—Macromolecular organic compounds, e.g. prepolymers
- C09K2200/068—Containing also other elements than carbon, oxygen or nitrogen in the polymer main chain
- C09K2200/0685—Containing silicon
-
- 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
- Y10S428/914—Transfer or decalcomania
-
- 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
- Y10T428/14—Layer or component removable to expose adhesive
- Y10T428/1424—Halogen containing compound
-
- 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.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
- Y10T428/24959—Thickness [relative or absolute] of adhesive layers
-
- 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.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
- Y10T428/24967—Absolute thicknesses specified
-
- 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.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/24983—Hardness
-
- 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
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
-
- 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
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/252—Glass or ceramic [i.e., fired or glazed clay, cement, etc.] [porcelain, quartz, 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/254—Polymeric or resinous 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2839—Web or sheet containing structurally defined element or component and having an adhesive outermost layer with release or antistick 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2852—Adhesive compositions
- Y10T428/2857—Adhesive compositions including metal or compound thereof or natural rubber
-
- 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
- Y10T428/2852—Adhesive compositions
- Y10T428/2878—Adhesive compositions including addition polymer from unsaturated monomer
-
- 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]
- Y10T428/31826—Of natural rubber
-
- 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
-
- 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
- Y10T428/31938—Polymer of monoethylenically unsaturated hydrocarbon
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
- Sealing Material Composition (AREA)
- Gasket Seals (AREA)
- Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)
Abstract
JUNTA PLASTICA, CON UNA MEZCLA POLIMERA, ESPECIALMENTE DE CAUCHO BUTILO, POLIISOBUTILENO, CAUCHO ESTIRENO-BUTADIENO, POLICLOROPRENO, CAUCHO NATURAL O CLORURO DE POLIVINILO, COMO MASA DE EMPAQUETADURA (1) ENTRE UN PAPEL DE SOPORTE (2) DESPRENDIBLE, TAL COMO PAPEL DE SILICONA, Y UNA LAMINA DE COBERTURA FLEXIBLE (3) TAL COMO UNA LAMINA FUSIBLE, CARACTERIZADA PORQUE PRESENTAN INCRUSTADOS EN LA MASA DE EMPAQUETADURA (1) CUERPOS DISTANCIADORES (4) DE UN MATERIAL DURO CON RESPECTO AL MATERIAL DE LA MEZCLA POLIMERA.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853500924 DE3500924A1 (de) | 1985-01-12 | 1985-01-12 | Plastische dichtung und verfahren zum herstellen der dichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
ES297102U true ES297102U (es) | 1988-12-16 |
ES297102Y ES297102Y (es) | 1989-07-01 |
Family
ID=6259741
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES1986297102U Expired ES297102Y (es) | 1985-01-12 | 1986-01-10 | Junta plastica |
ES1987297115U Expired ES297115Y (es) | 1985-01-12 | 1987-09-25 | Junta plastica |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES1987297115U Expired ES297115Y (es) | 1985-01-12 | 1987-09-25 | Junta plastica |
Country Status (8)
Country | Link |
---|---|
US (1) | US4759962A (es) |
EP (1) | EP0188217B1 (es) |
JP (1) | JPH07113419B2 (es) |
BR (1) | BR8600093A (es) |
CA (1) | CA1335209C (es) |
DE (2) | DE3500924A1 (es) |
ES (2) | ES297102Y (es) |
ZA (1) | ZA86214B (es) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5224054A (en) * | 1990-04-02 | 1993-06-29 | Square D Company | Waveform capturing arrangement in distributed power network |
US5495384A (en) * | 1990-04-02 | 1996-02-27 | Square D Company | Apparatus and method for detecting a fault in a distributed line network |
US5536342A (en) * | 1994-03-18 | 1996-07-16 | W. L. Gore & Associates, Inc. | Automated gasket applicator and method of using same |
JPH11182686A (ja) * | 1997-12-19 | 1999-07-06 | Nichias Corp | ガスケット用素材及びその製造方法 |
GB0823063D0 (en) * | 2008-12-18 | 2009-01-28 | Bostik Ltd | Sealant tape comprising offsetting particles |
US20110287677A1 (en) | 2010-05-19 | 2011-11-24 | Garlock Sealing Technologies, Llc | Flexible reinforced gasket |
US20110293878A1 (en) * | 2010-05-26 | 2011-12-01 | Garlock Sealing Technologies, Llc | Releasable protective layer on a gasket |
BR112013009832B1 (pt) | 2010-10-20 | 2020-12-15 | Garlock Sealing Technologies, Llc | Material de vedação a temperaturas extremas |
US20130082447A1 (en) | 2011-10-04 | 2013-04-04 | Garlock Sealing Technologies, Llc | Spiral wound gasket |
CN109707927B (zh) * | 2018-12-05 | 2020-06-12 | 中山公用工程有限公司 | 一种天然气运输管道接口处防泄漏装置及其使用方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3979549A (en) * | 1972-09-25 | 1976-09-07 | Rostone Corporation | Composite of metal and thermoset plastic |
DE2608257A1 (de) * | 1975-03-03 | 1976-09-23 | Amchem Prod | Abdichtungsmasse |
FR2369472A1 (fr) * | 1976-10-26 | 1978-05-26 | Smith Harvestore Products | Produit d'etancheite polymere avec insertions de support de charge |
US4223067A (en) * | 1978-03-27 | 1980-09-16 | Minnesota Mining And Manufacturing Company | Foam-like pressure-sensitive adhesive tape |
JPS56108054U (es) * | 1980-01-19 | 1981-08-21 | ||
US4409290A (en) * | 1981-12-17 | 1983-10-11 | The General Tire & Rubber Company | Adhesion of rubber to glass fibers |
JPS58143388U (ja) * | 1982-03-23 | 1983-09-27 | 株式会社ブリヂストン | 組立式水槽の止水材 |
DE3407995C2 (de) * | 1984-03-03 | 1994-08-11 | Irbit Research & Consulting Ag | Schaumstoff-Dichtungsband und dessen Verwendung |
-
1985
- 1985-01-12 DE DE19853500924 patent/DE3500924A1/de not_active Withdrawn
-
1986
- 1986-01-06 US US06/816,549 patent/US4759962A/en not_active Expired - Lifetime
- 1986-01-07 EP EP86100136A patent/EP0188217B1/de not_active Expired
- 1986-01-07 DE DE8686100136T patent/DE3667071D1/de not_active Expired
- 1986-01-08 CA CA000499223A patent/CA1335209C/en not_active Expired - Fee Related
- 1986-01-10 BR BR8600093A patent/BR8600093A/pt not_active IP Right Cessation
- 1986-01-10 ZA ZA86214A patent/ZA86214B/xx unknown
- 1986-01-10 JP JP61002325A patent/JPH07113419B2/ja not_active Expired - Fee Related
- 1986-01-10 ES ES1986297102U patent/ES297102Y/es not_active Expired
-
1987
- 1987-09-25 ES ES1987297115U patent/ES297115Y/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0188217A2 (de) | 1986-07-23 |
BR8600093A (pt) | 1986-09-23 |
ES297115Y (es) | 1989-07-01 |
JPH07113419B2 (ja) | 1995-12-06 |
JPS61167776A (ja) | 1986-07-29 |
CA1335209C (en) | 1995-04-11 |
EP0188217A3 (en) | 1987-01-14 |
DE3500924A1 (de) | 1986-07-17 |
DE3667071D1 (en) | 1989-12-28 |
ES297102Y (es) | 1989-07-01 |
ZA86214B (en) | 1986-08-27 |
US4759962A (en) | 1988-07-26 |
ES297115U (es) | 1988-12-16 |
EP0188217B1 (de) | 1989-11-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TW344112B (en) | Substrate holding device and manufacturing method therefor | |
DE3368742D1 (en) | Shaft seal with a magnetically adjusted sealing clearance | |
AU536939B2 (en) | Hydrophilic, elastomeric pressure sensitive adhesive | |
ATE41214T1 (de) | Dichtung. | |
ES8501304A1 (es) | Metodo para realizar en un molde una junta de estanqueidad lubricante | |
AR243361A1 (es) | Mejoras en el dispositivo de cierre y apertura de la tapa de ollas a presion | |
EP0384173A3 (en) | Sealing member for a roll with an adjustable linear contact pressure | |
ES297102U (es) | Junta plastica | |
DE3267472D1 (en) | Flexible double toric sealing ring | |
DE3378488D1 (en) | A double seal valve assuring an absolute leak-tightness | |
GB8323548D0 (en) | Leaking manifold seal | |
IT1160834B (it) | Dispositivo di tenuta,a fluido magnetico,ad aletta magneticamento permeabile | |
ES8801859A1 (es) | Procedimiento para fabricar una valvula obturadora | |
DE69212507D1 (de) | Piezoresistiver Druckwandler mit leitender, elastomerer Abdichtung | |
GB2133841B (en) | Rotary fluid seals | |
DE69109674D1 (de) | Pistole für dichtmasse. | |
AU544897B2 (en) | Apparatus for adhesive sealing the valve in a valve bag | |
TW333515B (en) | Container, sealed can, seal for container, and method for providing a seal for a container | |
IT8222411V0 (it) | Struttura di valvola a doppia tenuta particolarmente per serbatoi in pressione e simili. | |
JPS5779361A (en) | Semicircular packing | |
JPS5638036A (en) | Polyhedral printing machine | |
GB2226627B (en) | Device for reducing the stresses caused by pressure differentials on a sealing shutter gasket | |
JPS5776369A (en) | Change-over valve | |
JPS57149661A (en) | Seal holder | |
IT1161648B (it) | Guarnizioni di tenuta per contenitori sotto vuoto provvisti di valvola di ritenuta |