PURPOSE:To keep tension of a long article constant by detecting change in tension of the long article by a pressure cylinder and connecting the detected pressure to a brake cylinder so as to change the braking force to a winding roll and thereby to control rotation thereof. CONSTITUTION:Tension of a long article is detected by a pressure cylinder, and the detected cylinder is transmitted to a pres...

PURPOSE:To simplify the tying of two threads and the reeling by cutting after the tying by tying them up by winding and knitting. CONSTITUTION:For tying up threads 1 and 7 from packages A and B, a bent part 2 is provided on the thread 1 from the package A, and a top part from this bent part 2 is wound up several times on a root part 1' for forming a wound-up part 3. On the other hand, the thread 7...

PURPOSE:To simplify the tying of two threads and the reeling by cutting after the tying by dividing one thread into three and tying up on the basis of a loop shaped by one of the three divided threads and a loop shaped by another thread. CONSTITUTION:For tying up threads 1 and 7 from packages A and B, a top part of the thread 1 from the package A is divided into three divided parts 2, 2', and 2''....

Pneumatic yarn splicing method and apparatus for spun yarns. Suction nozzles for controlling yarn ends are arranged on both the sides of a splicing nozzle with a nozzle hole for jetting a compressed fluid. The sucking action of the yarn end control nozzle is stopped when or after the treatment of the yarn ends is completed, and then, a compressed fluid is jetted from the splicing nozzle to effect ...

PURPOSE:To control back lash and to use grease efficiently by providing the upper and lower frames of a gear box with elastic pressing members such as a rubber brought into pressure contact with the whole periphery of both side surfaces of a gear. CONSTITUTION:Pressing members 10 formed of an elastic material such as a rubber are disposed on symmetrical positions on respective inner surfaces of th...

A practice for applying indicia to the surface of a precious stone wherein a source of laser energy is directed at the stone surface and controlled to inscribe the surface with the desired indicia.

PURPOSE:To permit a knot not to be left after cutting by allowing fibers to be entangled with each other without forming a knot. CONSTITUTION:The end part 1 of one roving is divided, and the end part 4 of the other roving is allowed to pass on the face side of either of the divided end parts 2 and 3 from the direction perpendicular to the divided end parts 2 and 3 and to pass on the back side of t...

PURPOSE:To eliminate sudden changes of a pressure in the drum of a boiler and prevent a water-level of the drum from abnormally rising, by detecting a time when a rate of the steam pressure change comes to be above that corresponding to a rate of the allowable steam temperature change and allowing the turbine by-pass valve to work under an automatic control. CONSTITUTION:A constitution of the comb...

PURPOSE:To simplify a pre-processing circuit of parity, and to make a condition of right shift and left shift for forecasting the parity unnecessary, by using the same shifting circuit for the parity and a data. CONSTITUTION:To an input data register 21' of an input register device 21, (n) bytes to which a parity bit has been added at every byte are set, and from parity bit generators 24, 25, pari...

SYSTEME DE TRAITEMENT DE DONNEES INFORMATIQUES AVEC COMPARAISON ANTICIPEE DU CODE D'OPERATION.

CE SYSTEME COMPREND UN PROCESSEUR PRINCIPAL 100 ET UN PROCESSEUR D'INTERFACE 160 AYANT TOUS DEUX ACCES A UNE MEMOIRE RAM 136 PAR L'ENTREMISE DE GENERATEURS D'ADRESSES RAM RESPECTIFS 128, 132. UN CIRCUIT LOGIQUE DE COMMANDE RAM 122 RELIE AU CANAL DES DONNEES 124 ASSOCIE AU PROCESSEUR D'INTERFACE ...

The present invention relates to novel compounds of the formula (I) wherein R1 is hydrogen, a silyl group or an acyl group, R2 is methyl, ethyl, is propyl or sec-butyl, and R is hydrogen, unsubstituted or substituted straight chain or branched C1-Cl18alkyl, an unsubstituted or substituted cycloaliphatic group containing 3 to 10 carbon atoms, unsubstituted or substituted C2-C6alkenyl, unsu...

NEW MATERIAL:The compound of formula I (R is CF2 or CFH2). EXAMPLE:5-Deoxy-5-difluoromethylthio-D-ribose. USE:A remedy for tumor having excellent antitumor activity and low toxicity. PREPARATION:The objective compound can be produced e.g. by (1) using methyl 2,3-O-isopropylidene-5-O-(p-toluenesufonyl)-D-ribofranoside of formula II as a starting raw material, (2) contacting the material with potass...

S-Adenosyl-L-homocysteine and pharmaceutically acceptable salts thereof are used in a method of treatment of the human or animal body by therapy. These compounds may be used as sedatives, to induce sleep or as anti-convulsive agents, for example in the treatment of epilepsy (petit mal). The compounds may be administered in the form of a pharmaceutical composition also comprising a pharmaceutically...

New anthracycline glycosides having formula: wherein R1 is hydrogen or hydroxy and either R2 or R3 is hydrogen with the other amino-methyl are described. The new compounds and their pharmaceutically acceptable addition salts are useful as antitumour agents.

LA PRESENTE INVENTION A TRAIT A DE NOUVEAUX ESTERS DISSYMETRIQUES DERIVES D'ACIDE 1,4-DIHYDROPYRIDINE-3, 5-DICARBOXYLIQUE DE FORMULE
(CF DESSIN DANS BOPI)
DANS LAQUELLE

R REPRESENTE UN GROUPE ALKYLE EN C-C; R REPRESENTE UN GROUPE ALKYLE EN C-C, UN GROUPE BENZYLE, UN GROUPE BENZOYLE OU UN GROUPE PHENYLE EVENTUELLEMENT SUBSTITUE PAR UN OU PLUSIEURS GROUPES ALCOXY EN C-C, ALKYLE EN C...

L'INVENTION CONCERNE UN DERIVE D'ACIDES NUCLEIQUES CARACTERISE EN CE QUE, DANS UN POLYMERE D'ACIDES NUCLEIQUES, UNE PARTIE DES CYCLES PURINE OU PYRIMIDINE QUI EN SONT UN ELEMENT CONSTITUTIF EST SUBSTITUEE PAR UN OU PLUSIEURS ATOMES DE SOUFRE OU EN CE QUE CE OU CES ATOMES DE SOUFRE SUBSTITUES FORMENT DES PONTS PAR UNE LIAISON DISULFURE, D'OU IL RESULTE UNE MEILLEURE CONFORMATION.

A new process for the preparation of 6-deoxyanthracyclinones of general formula I: I wherein R represents a hydrogen atom, a hydroxy group or a lower alkoxy group is described. The process provides a total synthesis of the 6-deoxyanthracyclinones of formula I using 1,2,3,6-tetrahydro-phthalate as starting material. The obtained racemic mixture of the compounds of formula I, if desired, ...

L'INVENTION CONCERNE UN DISPOSITIF COMPORTANT DES CIRCUITS ACCORDES SUR DES FREQUENCES DONNEES POUVANT ETRE SELECTIONNEES ET DANS LEQUEL DES DONNEES NUMERIQUES D'ALIGNEMENT CORRESPONDANT AUXDITES FREQUENCES SONT STOCKEES DANS UNE MEMOIRE PROGRAMMABLE.

POUR CHAQUE FREQUENCE, LA MEMOIRE PROGRAMMABLE COMPORTE UN ELEMENT D'INFORMATION INDIQUANT SI L'ECRITURE DANS LADITE LIGNE EST OU NON CORRE...

A novel process for the preparation of 7-acylamino-3-(thio-substituted)-methyl-3-cephem-4-carboxylic acid 1-oxide derivatives comprising reacting a 7-acylamino-3-bromomethyl-3-cephem-4-carboxylic acid-1-oxide derivative with a silylated thiol of the formula R-S-Si(CH3)3 I wherein R is an organic group, preferably a 5- or 6-membered heterocyclic group, which reaction is preferably carried out in th...