CH450236A - Cover sleeve and its use - Google Patents
Cover sleeve and its useInfo
- Publication number
- CH450236A CH450236A CH1175065A CH1175065A CH450236A CH 450236 A CH450236 A CH 450236A CH 1175065 A CH1175065 A CH 1175065A CH 1175065 A CH1175065 A CH 1175065A CH 450236 A CH450236 A CH 450236A
- Authority
- CH
- Switzerland
- Prior art keywords
- cover sleeve
- sleeve
- cover
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
- H02G15/1806—Heat shrinkable sleeves
-
- 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
- B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
- B29C61/06—Making preforms having internal stresses, e.g. plastic memory
-
- 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
- B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
- B29C61/06—Making preforms having internal stresses, e.g. plastic memory
- B29C61/0608—Making preforms having internal stresses, e.g. plastic memory characterised by the configuration or structure of the preforms
- B29C61/0616—Making preforms having internal stresses, e.g. plastic memory characterised by the configuration or structure of the preforms layered or partially layered preforms, e.g. preforms with layers of adhesive or sealing compositions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L13/00—Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints
- F16L13/02—Welded joints
- F16L13/0254—Welded joints the pipes having an internal or external coating
- F16L13/0272—Welded joints the pipes having an internal or external coating having an external coating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/20—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics based principally on specific properties of plastics
- F16L47/22—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics based principally on specific properties of plastics using shrink-down material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
- F16L58/10—Coatings characterised by the materials used by rubber or plastics
- F16L58/1054—Coatings characterised by the materials used by rubber or plastics the coating being placed outside the pipe
- F16L58/1063—Coatings characterised by the materials used by rubber or plastics the coating being placed outside the pipe the coating being a sheet wrapped around the pipe
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/18—Protection of pipes or pipe fittings against corrosion or incrustation specially adapted for pipe fittings
- F16L58/181—Protection of pipes or pipe fittings against corrosion or incrustation specially adapted for pipe fittings for non-disconnectable pipe joints
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/021—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeves; consisting of two half sleeves; comprising more than two segments
-
- 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
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S174/00—Electricity: conductors and insulators
- Y10S174/08—Shrinkable tubes
-
- 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
- Y10S285/00—Pipe joints or couplings
- Y10S285/915—Mastic
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US391090A US3415287A (en) | 1964-08-21 | 1964-08-21 | Protective covering and article |
Publications (1)
Publication Number | Publication Date |
---|---|
CH450236A true CH450236A (en) | 1968-01-15 |
Family
ID=23545192
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1175065A CH450236A (en) | 1964-08-21 | 1965-08-20 | Cover sleeve and its use |
Country Status (8)
Country | Link |
---|---|
US (1) | US3415287A (en) |
BE (1) | BE668616A (en) |
CH (1) | CH450236A (en) |
DE (1) | DE1504803A1 (en) |
FR (1) | FR1469479A (en) |
GB (1) | GB1116879A (en) |
NL (1) | NL141811B (en) |
SE (1) | SE335081B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0306554A1 (en) * | 1987-09-05 | 1989-03-15 | Hewing GmbH | Bonding system |
Families Citing this family (66)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3631898A (en) * | 1970-01-13 | 1972-01-04 | Alfred H Harley | Insulating pipe joint fitting and method of making same |
US3744823A (en) * | 1971-03-01 | 1973-07-10 | Shaw Pipe Ind Ltd | High temperature pipeline joints |
US4075752A (en) * | 1971-11-20 | 1978-02-28 | Robert Bosch Gmbh | Method of making distributor assembly bearing structures and the like |
JPS4931741A (en) * | 1972-07-25 | 1974-03-22 | ||
USRE30447E (en) * | 1972-08-23 | 1980-12-16 | J. L. Clark Manufacturing Co. | Insulating connector |
US3814139A (en) * | 1972-08-23 | 1974-06-04 | Stone Ind Corp | Insulating connector |
USRE30817E (en) * | 1972-08-23 | 1981-12-08 | J. L. Clark Manufacturing Co. | Method of applying an insulating connector |
US3908267A (en) * | 1972-08-23 | 1975-09-30 | Stone Ind Corp | Method of applying an insulating connector |
US4035534A (en) * | 1972-09-01 | 1977-07-12 | Raychem Corporation | Heat-shrinkable laminate |
US4207364A (en) * | 1972-09-01 | 1980-06-10 | Raychem Corporation | Heat-shrinkable laminate |
US4168192A (en) * | 1972-09-01 | 1979-09-18 | Raychem Corporation | Process for making recoverable tubular article |
US3957382A (en) * | 1973-06-11 | 1976-05-18 | Raychem Corporation | Method of processing fusible inserts |
SE434564B (en) * | 1975-04-09 | 1984-07-30 | Raychem Corp | DEVICE FOR CONNECTING RODS OR OTHER SUBSTRATES INCLUDING A MEMORIAL METAL BODY |
SE428596B (en) * | 1975-04-09 | 1983-07-11 | Raychem Corp | DEVICE FOR CONNECTING SUBSTRATE EXV RODS INCLUDING A MEMORIAL METAL BODY |
US4135553A (en) * | 1975-06-16 | 1979-01-23 | Raychem Corporation | Recoverable sleeve |
FR2315158A1 (en) * | 1975-06-16 | 1977-01-14 | Raychem Corp | SLEEVE, ITS MANUFACTURING PROCESS AND ITS APPLICATION TO COVERING A SUBSTRATE |
US4092193A (en) * | 1975-06-30 | 1978-05-30 | Raychem Corporation | Method for joining substrates utilizing coupling means |
US4188979A (en) * | 1975-08-26 | 1980-02-19 | Nitto Denki Kogyo Kabushiki Kaisha | Protective cover for a thermoresponsive tube |
US4070044A (en) * | 1976-01-22 | 1978-01-24 | Phillips Petroleum Company | Polymer pipe connection and method to make it |
US4424990A (en) | 1980-01-30 | 1984-01-10 | Raychem Corporation | Thermochromic compositions |
US4386629A (en) | 1980-07-31 | 1983-06-07 | Raychem Corporation | Apparatus for internal pipe protection |
DE3167939D1 (en) * | 1980-07-31 | 1985-02-07 | Raychem Corp | Device for and method of internal pipeline protection |
CA1179442A (en) * | 1980-12-03 | 1984-12-11 | James A. Richards | Radiation cross linked polyamide composition |
US4374881A (en) * | 1981-03-24 | 1983-02-22 | Eaton Corporation | Heat recoverable connector |
US4450871A (en) * | 1981-04-21 | 1984-05-29 | Sumitomo Electric Industries, Ltd. | Heat-shrinkable tubes |
US4549752A (en) * | 1981-08-13 | 1985-10-29 | Umac, Inc. | Connector for tubular members |
US4465309A (en) * | 1981-08-13 | 1984-08-14 | Umac, Inc. | Connecting or repair device |
FI76633C (en) * | 1981-10-27 | 1988-11-10 | Raychem Sa Nv | Tube protection sleeve and method for protecting a tube with this sleeve |
JPS5887015A (en) * | 1981-11-18 | 1983-05-24 | Ube Ind Ltd | Forming method of protective cover layer on connected section of covered steel pipe |
GB2117700B (en) * | 1982-01-28 | 1986-02-19 | Raychem Pontoise Sa | Bonded polymeric article |
GB8304027D0 (en) * | 1983-02-14 | 1983-03-16 | Raychem Sa Nv | Heat-recoverable article |
GB8333722D0 (en) * | 1983-12-19 | 1984-01-25 | Raychem Gmbh | Expansible seal |
CA1247824A (en) * | 1984-08-17 | 1989-01-03 | Joel Archer | Fibre reinforced polymeric article |
GB8421357D0 (en) * | 1984-08-22 | 1984-09-26 | Raychem Gmbh | Means for sealing |
US4731273A (en) * | 1985-07-08 | 1988-03-15 | Minnesota Mining And Manufacturing Company | Heat-recoverable closure with crosslinked pressure-sensitive adhesive |
US4709948A (en) * | 1985-08-19 | 1987-12-01 | Raychem Limited | Fibre reinforced polymeric article |
GB2181201B (en) * | 1985-09-30 | 1989-12-20 | Hepworth Iron Co Ltd | Coupling pipes |
FR2596133B1 (en) * | 1986-03-20 | 1988-08-12 | Caoutchouc Manuf Plastique | METHOD FOR MANUFACTURING A CONNECTION AND / OR CONNECTION DEVICE FOR FLEXIBLE PIPES AND CONNECTION AND / OR CONNECTION DEVICE CARRIED OUT ACCORDING TO THIS METHOD |
US4693501A (en) * | 1986-07-23 | 1987-09-15 | American Standard Inc. | Refrigeration tubing joint |
US4756781A (en) * | 1986-09-29 | 1988-07-12 | Etheridge David R | Method of connecting non-contaminating fluid heating element to a power source |
US4835365A (en) * | 1986-09-29 | 1989-05-30 | Etheridge David R | De-ionized fluid heater and control system |
US4875957A (en) * | 1986-09-29 | 1989-10-24 | Etheridge David R | Method of connecting a non-contaminating fluid heating element to a power source |
EP0309597A1 (en) * | 1987-09-29 | 1989-04-05 | Blome GmbH & Co. Kommanditgesellschaft | Coating of the jointing area of steel pipes welded together |
FI82633C (en) * | 1987-10-12 | 1991-04-10 | Muolon Oy | FOERFARANDE FOER FRAMSTAELLNING AV EN KRYMPANDE PRODUKT. |
US5302428A (en) * | 1992-09-29 | 1994-04-12 | Shaw Industries Ltd. | Multi-layer wraparound heat shrink sleeve |
ATE181412T1 (en) * | 1993-01-21 | 1999-07-15 | Raychem Corp | HEAT RECOVERABLE ITEM |
US5988689A (en) * | 1997-12-26 | 1999-11-23 | Central Plastics Company | Heat-shrinkable electrofusion fittings and methods |
GB9905037D0 (en) * | 1999-03-05 | 1999-04-28 | Raychem Sa Nv | Method of sealing a joint between two pipes |
US20030080561A1 (en) * | 2001-10-04 | 2003-05-01 | Martin Ronald Allen Ezra Martin Ron | Underground couplings |
EP1384931A1 (en) * | 2002-07-27 | 2004-01-28 | Walter Stucke | Insulation and insulating method for the welded joint of a pipe that is insulated with the exception of the welding zone |
US7534321B2 (en) * | 2003-01-29 | 2009-05-19 | Ncf Industries, Inc. | System for joining sections of composite reinforced line pipe |
JP2006088079A (en) * | 2004-09-27 | 2006-04-06 | Bussan Nanotech Research Institute Inc | Pipe end part joining body |
US7361384B2 (en) * | 2005-01-14 | 2008-04-22 | Covalence Specialty Materials Corp. | Corrosion protection system for transport pipe |
JP4962687B2 (en) * | 2005-08-30 | 2012-06-27 | Nok株式会社 | Sealing structure |
WO2007062871A1 (en) | 2005-12-03 | 2007-06-07 | Skumtech As | Corrosion protection for anchors in rock |
DE102007038257A1 (en) | 2007-07-27 | 2009-01-29 | Stucke, Walter, Dipl.-Ing. | Molding for steel natural gas-pipeline, is fabricated as branch or curve and/or as matching piece or adapter |
DE102007040683A1 (en) * | 2007-08-29 | 2009-03-05 | Evonik Degussa Gmbh | Sheathed pipe |
EP2204427A1 (en) | 2008-12-23 | 2010-07-07 | J. van Beugen Beheer B.V. | Adhesive compound |
DK201000497A (en) * | 2010-06-09 | 2011-12-10 | Logstor As | Shrink sleeve for joining insulated pipes |
EP2481966A1 (en) * | 2011-02-01 | 2012-08-01 | Uponor Innovation AB | Clamping ring |
US8840740B2 (en) * | 2011-06-24 | 2014-09-23 | The Boeing Company | Apparatus for preventing spark propagation |
RU2530949C2 (en) * | 2012-03-26 | 2014-10-20 | Открытое акционерное общество "Акционерная компания по транспорту нефти "Трансфнеть" (ОАО "АК "Транснефть") | Method of assembly of pipe heat insulation anti-fire inserts |
RU2530946C2 (en) * | 2012-03-26 | 2014-10-20 | Открытое акционерное общество "Акционерная компания по транспорту нефти "ТРАНСНЕФТЬ" | Assembly of pipe weld heat isolation for underground laying |
RU2530943C2 (en) * | 2012-03-26 | 2014-10-20 | Открытое акционерное общество "Акционерная компания по транспорту нефти "Транснефть" (ОАО "АК "Транснефть") | Assembly of pipe weld heat isolation for overhead laying |
US10746342B2 (en) * | 2016-05-31 | 2020-08-18 | Seal For Life Industries Us Llc | Closure patch |
US10633932B1 (en) | 2016-12-17 | 2020-04-28 | Daryl Vincent Mazzanti | System and method to reduce wellbore annular fluid volumes |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1984649A (en) * | 1929-12-07 | 1934-12-18 | Standard Oil Co California | Protective coating and objects coated therewith |
US2915413A (en) * | 1955-06-13 | 1959-12-01 | United Biscuit Company Of Amer | Non-blocking adhesive sheet |
US3012585A (en) * | 1957-06-06 | 1961-12-12 | Royston Lab | Pipe coating with flowable inner layer |
US3035113A (en) * | 1959-12-07 | 1962-05-15 | Bendix Corp | Method and means for terminating braided insulation and shielding of a wire cable |
US2992457A (en) * | 1960-03-28 | 1961-07-18 | Grace W R & Co | Method of joining pipe and tubing |
US3226807A (en) * | 1961-06-15 | 1966-01-04 | Hill Hubbell Company | Method of constructing a continuous pipeline |
US3184358A (en) * | 1961-06-20 | 1965-05-18 | Multifol Patentverwert Ag | Method of forming laminated plastic tubing |
NL295669A (en) * | 1962-07-23 | |||
US3312772A (en) * | 1963-08-23 | 1967-04-04 | Raychem Corp | Connectors with heat recoverable members |
US3297819A (en) * | 1964-08-10 | 1967-01-10 | Raychem Corp | Heat unstable covering |
-
1964
- 1964-08-21 US US391090A patent/US3415287A/en not_active Expired - Lifetime
-
1965
- 1965-08-17 SE SE10722/65A patent/SE335081B/xx unknown
- 1965-08-20 CH CH1175065A patent/CH450236A/en unknown
- 1965-08-20 NL NL656510948A patent/NL141811B/en not_active IP Right Cessation
- 1965-08-20 GB GB35850/65A patent/GB1116879A/en not_active Expired
- 1965-08-20 DE DE19651504803 patent/DE1504803A1/en not_active Ceased
- 1965-08-20 BE BE668616A patent/BE668616A/xx unknown
- 1965-08-21 FR FR29062A patent/FR1469479A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0306554A1 (en) * | 1987-09-05 | 1989-03-15 | Hewing GmbH | Bonding system |
Also Published As
Publication number | Publication date |
---|---|
BE668616A (en) | 1965-12-16 |
GB1116879A (en) | 1968-06-12 |
US3415287A (en) | 1968-12-10 |
NL6510948A (en) | 1966-02-22 |
NL141811B (en) | 1974-04-16 |
FR1469479A (en) | 1967-02-17 |
SE335081B (en) | 1971-05-10 |
DE1504803A1 (en) | 1971-11-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH450236A (en) | Cover sleeve and its use | |
CH415184A (en) | Damping element and use of the same | |
CH548736A (en) | HERBICIDE AND USE OF THE SAME. | |
FR1461931A (en) | Alkylpolysiloxane fluids | |
CH438658A (en) | Construction element | |
CH457683A (en) | Oil burner | |
CH518352A (en) | Operating fluid and use of the same | |
CH457142A (en) | Photosensitive material and its uses | |
FR1295419A (en) | Self-regulating cooler | |
CH421458A (en) | Foldable room closure element | |
FR1396447A (en) | Book cover | |
CH463631A (en) | Anode and its uses | |
CH465724A (en) | Anode plate and its use | |
CH412255A (en) | Camping stove | |
AT264694B (en) | Oil burner | |
FR1392263A (en) | Portable cooker | |
FR1391119A (en) | Improvement of the hinges | |
FR1417244A (en) | Removable reflector and cover | |
CH431783A (en) | Oil burner | |
CH418095A (en) | Adjusting device and use of the same | |
CH481573A (en) | Pesticides and how to use them | |
FR1420514A (en) | Advanced joint cover | |
AT267469B (en) | Standing and hanging folder | |
FR1408879A (en) | Umbrella | |
FR1488232A (en) | Sulfinylpyridines and sulfonylpyridines |