APPAREIL PNEUMATIQUE POUR LA FORMATION D'UNE EPISSURE, QUI COMPORTE UNE PIECE DE JONCTION 1 SITUEE DANS SA PARTIE CENTRALE. LA PIECE DE JONCTION 1 COMPREND UN ORIFICE DE JONCTION 2, DE FORME CYLINDRIQUE, QUI TRAVERSE LE CORPS DE LA PIECE DE JONCTION, UNE FENTE 3 QUI S'ETEND LE LONG DE L'ORIFICE DE JONCTION ET DEUX BUSES 4, 5 QUI DEBOUCHENT EN OPPOSITION DANS L'ORIFICE DE JONCTION. LES DEUX BUSE...

CE DISPOSITIF DE RATTACHE POUR FILS FILES COMPREND UN ELEMENT DE RATTACHE 2 PRESENTANT UN TROU DE RATTACHE 5, UN AJUTAGE D'EJECTION D'AIR 7 DESTINE A PROJETER DE L'AIR COMPRIME DANS LE TROU DE RATTACHE ET UNE FENTE 6 QUI DEBOUCHE DANS LE TROU DE RATTACHE 5 POUR GUIDER LES BOUTS DE FILS A RATTACHER EN LES INTRODUISANT DANS LE TROU DE RATTACHE, CE TROU DE RATTACHE 5 ETANT DE SECTION CYLINDRIQUE, ...

The invention relates to apparatus for guiding a vehicle as it moves, of the kind comprising a detector (12) sensing deviation of the heading of the vehicle relative to a pre-determined direction and producing an electrical deviation signal, a hydraulic piston and cylinder device (16) steering the vehicle wheels (2) and control means (15) responsive to the deviation signal. The technical problem i...

PURPOSE:To obtain a household solid fuel which is lightweight and has excellent ignitabilities, fire spreadability, combustibility, service life, etc., by combining a plurality of band- or stick-shaped briquettes consisting mainly of a carbonaceous substance and having different compositions, and rebriquetting the combined briquette. CONSTITUTION:A binder such as pitch, tar or carboxy-methylcellul...

PURPOSE:To check an input and output equipment easily in a short checking time, by easily leading out a synchronizing signal necessary for the operation of the input and output equipment, and easily recognizing information transferred from a bus synchronously with said signal. CONSTITUTION:A latch circuit 16 latches an address of input and output equipment transferred from a CPU12 through a bus 13...

PURPOSE:To detect a runaway easily without adding complicate interval processing to the control flow of a microcomputer. CONSTITUTION:While a microcomputer 6 is normal, an output signal B inverted in polarity at intervals less than a predetermined period is generated at its output port P2 invariably, and an integral output obtained through an inversion detecting circuit 7 and an interpulse integra...

Sintered silicon nitride articles are prepared from a silicon nitride compact by forming a silicon powder containing one or more sintering additives for silicon nitride into a compact having at density of at least 1.3 g/cm3, said additives being present in the powder in an amount such as to ensure an additive content of from 0.5 to 20 wt. % in the silicon nitride compact, nitriding the silicon com...

The resistance to internal charring of molded styrene-butadiene latex foam rubber when exposed to a lit cigarette is improved by incorporating from about 10 to 30 parts by dry weight, per hundred parts by dry weight of latex of a compound selected from the group consisting of an organic phosphate of the formula wherein R is a C6-12 alkyl radical or a phenyl radical, which is unsubstitu...

A polymerizable coating composition comprises 35-80 parts of an epoxy prepolymer material and 20-65 parts of a vinyl chloride dispersion polymer together with 0.5-10 percent by weight, based upon the weight of the epoxy prepolymer material, of an onium salt photoinitiator which decomposes upon exposure to electromagnetic radiation to initiate polymerization of the epoxy prepolymer material. The vi...

L'INVENTION CONCERNE UN COMPOSE THERMOPLASTIQUE, A EPOXY PENDANT, CONTENANT DE L'URETHANE.

SELON L'INVENTION, CE COMPOSE EST LE PRODUIT DE LA REACTION D'UNE RESINE EPOXY CONTENANT PLUS D'UN ET DE PREFERENCE DEUX GROUPES HYDROXYLES ET D'UN POLYISOCYANATE, DE PREFERENCE UN DIISOCYANATE, LE COMPOSE EST FORME EN PRESENCE D'UN AGENT DURCISSANT D'EPOXY REAGISSANT A LA CHALEUR.

L'INVENTION...

POUR RELEVER ET ENREGISTRER LA VARIATION D'UNE GRANDEUR TELLE QU'UNE PRESSION EN FONCTION D'UN PARAMETRE TEL QUE LE TEMPS DANS UNE SONDE 10 AU FOND D'UN PUITS 12, ON EFFECTUE DES MESURES DE PRESSION A INTERVALLES DE TEMPS EGAUX, ON NUMERISE CES MESURES ET ON LES MET EN MEMOIRE NON VOLATILE SELECTIVEMENT DE FACON A PERMETTRE DE MAXIMISER LA PRECISION DU RELEVE DE LA VARIATION DE PRESSION PENDANT...

FREIN BIDISQUE COMPACT A ETRIERS COULISSANTS.

LE FREIN BIDISQUE COMPORTE UN SUPPORT FIXE 13 COMMUN A DEUX ETRIERS 15 ET 16, QUI S'ETEND SUIVANT UN SECTEUR ANGULAIRE D'ENVIRON 180. LES ETRIERS 15 ET 16 SONT MONTES COULISSANTS AXIALEMENT LE LONG DE GLISSIERES 24 DU SUPPORT 13. LES ETRIERS 15 ET 16 ONT DES CYLINDRES HYDRAULIQUES 17 DISPOSES D'UN SEUL COTE DU DISQUE ASSOCIE 10, 11. L'ETRIER 1...

L'INVENTION CONCERNE UN DISPOSITIF DE COMMANDE D'UN REDUCTEUR AUXILIAIRE POUR VEHICULE AUTOMOBILE A QUATRE ROUES MOTRICES. UN ARBRE PRINCIPAL 11 PEUT ETRE COUPLE SELECTIVEMENT, GRACE A UN DISPOSITIF D'EMBRAYAGE 30, A UN ARBRE 22 D'ENTRAINEMENT DES ROUES NORMALEMENT MOTRICES PAR L'INTERMEDIAIRE SOIT D'UN TRAIN D'ENGRENAGES 15, 20 DE RAPPORT VOISIN DE L'UNITE, SOIT D'UN TRAIN D'ENGRENAGES 17, 21 ...

A balancing device of a unit formed by a first machine carriage (1) supporting a second mobile carriage (4) on the first, in any direction other than the vertical, by means of a counterweight (6) connected to the first carriage (1) via chains (7, 8). This transmission comprises at least two chains (7 and 8) connected to said first carriage (1) via return-pulleys (13, 14) entrained by said chains (...

A submarine vehicle for collecting and raising materials resting on the sea bed at great depths, of the type comprising a load-bearing structure, collecting elements for the materials, storage silos for storing the materials collected and/or the ballast material, transfer means between said collecting elements and said silos, and main propellers for advancing the vehicle on the sea bed, said vehic...

L'INVENTION CONCERNE UNE UNITE DE COMMANDE SE COMPOSANT D'AU MOINS UN CONTACTEUR OU INTERRUPTEUR ET QUI PEUT ETRE INTEGREE, DU COTE DE L'HABITACLE, DANS UNE PARTIE DE REVETEMENT D'UN VEHICULE AUTOMOBILE, L'UNITE DE COMMANDE ETANT AGENCEE DE MANIERE QU'UNE PLAQUE DE BASE 16 RECEVANT LES SOCLES 21, 22, 23 DE TOUS LES ELEMENTS D'ACTIONNEMENT 3, 4, 5 PREVUS POUR L'UNITE, PUISSE ETRE FIXEE SUR LE RE...

(2R,6R)-1-Chloro-2,6,10-trimethyl-undecane I, (R)-(+)- beta -chloro-isobutyric acid II, (S)-(+)-1-bromo-3-chloro-2-methylpropane IV and (2R)-(+)-1-chloro-2,6-dimethyl-heptane V are novel optically active units for the synthesis of the side chain of (R,R,R)- alpha -tocopherol. In the process according to the invention, the optically active C14-chloride I is obtained in 6 simple reaction steps start...