FR1412589A - Perfectionnements aux raccords de canalisations - Google Patents

Perfectionnements aux raccords de canalisations

Info

Publication number
FR1412589A
FR1412589A FR986594A FR986594A FR1412589A FR 1412589 A FR1412589 A FR 1412589A FR 986594 A FR986594 A FR 986594A FR 986594 A FR986594 A FR 986594A FR 1412589 A FR1412589 A FR 1412589A
Authority
FR
France
Prior art keywords
pipe fittings
fittings
pipe
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.)
Expired
Application number
FR986594A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Birwelco Ltd
Original Assignee
Birwelco 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.)
Filing date
Publication date
Priority claimed from US324023A external-priority patent/US3270292A/en
Application filed by Birwelco Ltd filed Critical Birwelco Ltd
Priority to FR986594A priority Critical patent/FR1412589A/fr
Application granted granted Critical
Publication of FR1412589A publication Critical patent/FR1412589A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
    • C07D295/08—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms
    • C07D295/084—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings
    • C07D295/088—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings to an acyclic saturated chain
    • 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
    • F16L39/00—Joints or fittings for double-walled or multi-channel pipes or pipe assemblies
    • F16L39/005—Joints or fittings for double-walled or multi-channel pipes or pipe assemblies for concentric pipes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/18—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B2201/00—Aspects of oscillators relating to varying the frequency of the oscillations
    • H03B2201/02—Varying the frequency of the oscillations by electronic means
    • H03B2201/0208—Varying the frequency of the oscillations by electronic means the means being an element with a variable capacitance, e.g. capacitance diode

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR986594A 1963-11-15 1964-08-28 Perfectionnements aux raccords de canalisations Expired FR1412589A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR986594A FR1412589A (fr) 1963-11-15 1964-08-28 Perfectionnements aux raccords de canalisations

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US32386863A 1963-11-15 1963-11-15
US324023A US3270292A (en) 1963-11-15 1963-11-15 Ultra high frequency transistor oscillator
FR986594A FR1412589A (fr) 1963-11-15 1964-08-28 Perfectionnements aux raccords de canalisations

Publications (1)

Publication Number Publication Date
FR1412589A true FR1412589A (fr) 1965-10-01

Family

ID=27248260

Family Applications (1)

Application Number Title Priority Date Filing Date
FR986594A Expired FR1412589A (fr) 1963-11-15 1964-08-28 Perfectionnements aux raccords de canalisations

Country Status (1)

Country Link
FR (1) FR1412589A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1268919B (de) * 1966-02-10 1968-05-22 Eternit Ag Festpunkt fuer unmittelbar im Erdreich verlegte waermefuehrende Rohrleitungen, insbesondere fuer Fernheizleitungen, mit einem Mantelrohr aus Asbestzement
WO2009123299A1 (fr) * 2008-04-03 2009-10-08 Mitsubishi Heavy Industries, Ltd. Structure de raccordement et procédé d'assemblage et désassemblage d'un double tube

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1268919B (de) * 1966-02-10 1968-05-22 Eternit Ag Festpunkt fuer unmittelbar im Erdreich verlegte waermefuehrende Rohrleitungen, insbesondere fuer Fernheizleitungen, mit einem Mantelrohr aus Asbestzement
WO2009123299A1 (fr) * 2008-04-03 2009-10-08 Mitsubishi Heavy Industries, Ltd. Structure de raccordement et procédé d'assemblage et désassemblage d'un double tube
JP2011506857A (ja) * 2008-04-03 2011-03-03 三菱重工業株式会社 二重配管の接続構造及び二重配管の組立又は分解方法
RU2459132C2 (ru) * 2008-04-03 2012-08-20 Мицубиси Хеви Индастрис, Лтд. Соединительное устройство для двойной трубы и способ сборки или разборки двойной трубы
US8534713B2 (en) 2008-04-03 2013-09-17 Mitsubishi Heavy Industries, Ltd. Connecting structure of a double tube
CN101999056B (zh) * 2008-04-03 2013-10-30 三菱重工业株式会社 双层管的连接结构和双层管的组装或拆卸方法

Similar Documents

Publication Publication Date Title
FR1460495A (fr) Perfectionnements aux robinets
FR1363045A (fr) Perfectionnements aux raccords pour tuyaux
FR1377087A (fr) Raccord de tuyauterie
BE617699A (fr) Perfectionnements aux raccords pour tuyaux
BE615331A (fr) Perfectionnements apportés aux raccords pour tuyauteries
FR1406016A (fr) Perfectionnements apportés aux robinets
FR1383169A (fr) Perfectionnements aux débitmètres
AT263463B (de) Rohrverbindung
CH405025A (de) Rohr
FR1412589A (fr) Perfectionnements aux raccords de canalisations
FR1358287A (fr) Raccord de tuyaux
FR1421921A (fr) Perfectionnements aux raccords pour tuyaux
FR1292738A (fr) Perfectionnements aux raccords de tubes
FR1346929A (fr) Perfectionnements apportés aux raccords de tuyaux
FR1394337A (fr) Perfectionnements aux raccords pour tuyauterie
FR1511294A (fr) Perfectionnements aux raccords de tuyauteries
AT260160B (de) Rohrverbindung
FR1389251A (fr) Améliorations aux pipes
FR1361844A (fr) Perfectionnement aux raccords de tuyaux flexibles
FR1345512A (fr) Raccord de tuyaux
FR1346941A (fr) Raccord de tuyaux
FR1511086A (fr) Perfectionnements aux raccords de tuyauterie
FR1289350A (fr) Perfectionnements aux raccords pour tuyauteries
FR88234E (fr) Améliorations aux pipes
CH407677A (de) Rohrverbindung