La qualità di una giuntatura dipende sempre dalla preparazione dell'estremità del filo. Per la produzione di una giuntatura pneumatica fra due estremità di filo di regola le due estremità del filo da collegare vengono sottoposte dapprima ad una preparazione, mediante la quale viene attivata la rotazione del filo nelle estremità del filo. Ciò avviene di regola con una corrente d'aria in tubetti cil...

A yarn splicer to piece yarn ends, has a crosswise groove to accept the two yarn ends. There is a splicer head and at each side means are provided to prepare the end. There are air-jets at each side of the splicer or the cover, or around these parts. The splicer (1) has a body (2) fixed to the frame on which it works. There are airjets (3,4,5) and valves to control the air pressure from a source (...

La macchina comprende un gruppo di taglio (15) con una lama rotante (19) portata eccentricamente da un supporto a volano, mezzi interfogliatori (18) di inserzione di fogli tra l'una e l'altra fetta e mezzi porzionatori (16-17) per la formazione programmata di detti gruppi di fette. Il gruppo di taglio (15) comprende due motori indipendenti, l'uno collegato al supporto a volano con un rinvio unico,...

Lifting apparatus, especially for stacking or unstacking stations of panel handling lines, said lifting apparatus comprising a raiseable and lowerable lifting frame (1) and means for raising and lowering the lifting frame. The means for raising and lowering the lifting frame comprise at least one drive shaft (2, 3) and at least two lifting belts (4, 5, 6, 7), whose first end is attached to the dri...

Viene descritto un divano letto a struttura articolata pieghevole comprendente un telaio fisso di supporto al quale è impegnato, mediante un lavarismo a pantografo, un telaio mobile principale traslabile verticalmente. Al telaio mobile sono connessi consecutivamente e girevolmente un primo ed un secondo telaio mobile ausiliario. Una leva di interconnessione operante fra il telaio mobile principale...

The fastening consists of a body (16) carried by a base (17) with a thrust plate extension (30) to support one end of the boot sole. The base is mounted movably on a plate (18) fixed to the ski by means of a horizontal transverse hinge, while a lock (46) holds it in place. A stop (28) which is fixed solidly to the ski limits the upward movement of the base (17), and the lock fixes the base in rela...

Part of the hollow object (2), either transparent or translucent, is illuminated (8) by an incident light beam (6). The object is rotated (3), relative to the beam, around its central axis (4). The reflected light beam (7) from the object forms successive images at a regular pace. Two successive images are compared to distinguish stationary reflected beams, corresponding to parasitic variable refl...

Emulsified microcellular concrete which can be cast or injected is prepd. by mixing, in a vertical mixer, very fine cement or aggregate, water and a foaming agent and producing the emulsion by mixing the components, while entraining ambient air into the mixt. with formation of micro-bubbles of air. Fillers and/or additives modifying the properties or consistency of the final prod. may be added dur...

An automated mechanical gearbox system characterised in that it includes control means (420) for controlling an automatic or semi-automatic gear change operation mode of the gearbox (100). The driver-operated gear lever (320) transmits the driver request to a computer module (400) via sensors (340). The module (400) performs the requested gear change after analysing the validity of the driver requ...

- La présente invention concerne une méthode et un système adaptés au contrôle du comportement d'un outil de forage.
- On détermine l'amortissement associé à un mode propre des oscillations de torsion mesurées par au moins un dispositif de mesure placé dans la garniture de forage.
- On prédit l'apparition du dysfonctionnement du type stick-slip lorsque, en fonction du temps, la valeur d...

The biological filter (8) comprises a granular bed including a layer (17) based on active carbon in which the material satisfies the following conditions: - density of between 0.18 and 0.32 g/cm<3>, - carbon tetrachloride adsorption capacity of between 60% and 120% bypweight, - carbon tetrachloride retention lower than 25% by weight of the adsorbed mass of carbon tetrachloride, - methylene blu...

Waste water is disposed in a flocculation mixing tank 1, an anaerobic tank 2 and an aerobic tank 3 connected in series. First, a dephosphorization flocculating agent and, if necessary, a polymeric flocculating agent are added to waste water in order to produce and grow phosphorus-containing flocs therein. Then, to the water is added a recycling solution from an aerobic tank 3, said solution contai...

L'INVENZIONE RIGUARDA NUOVI COPOLIMERI TERMOPROCESSABILI DEL TETRAFLUOROETILENE COSTITUITI DA PERFLUOROMETILVINILETERE (0,5-13% IN PESO), UN DIOSSOLO FLUORATO (0,05-3%) E TETRAFLUOROETILENE (DIFFERENZA A 100%) E IL LORO IMPIEGO PER LA PREPARAZIONE MEDIANTE ESTRUSIONE, DI RIVESTIMENTI DI CAVI ELETTRICI.RIGUARDA PURE NUOVI PERFLUORODIOSSILI DI FORMULA FORMULA I IN CUI RF E' UN RADICALE PERFLUOROALCH...

Injection of at least one fluid into a liq to be treated flowing in a pipe is by using the Karman effect. A small flow of the fluid is introduced into the flow of the liq, proportional to the liq flow, without the use of any mobile appts or pressure as motor force. The fluid to be injected is supplied via a pipe (6) concentric within the liq circulation pipe and discharged into this pipe. The flow...

The soot recovered as dust particles from the smoke given off from a food processing plant is mixed with Portland cement in a ratio of 100 parts soot (in dry condition) and 60-110 parts cement. Sufficient water is added to ensure setting together with 2-8% alkaline silicate (given as SiO2) with respect to the cement. After mixing the cement is allowed to set in moulds before being removed.

Densification of wood comprises impregnating the wood, with the aid of an aqueous solution of melamine-formalin resin. The impregnated wood is then compressed, in order to reduce its volume and to produce a polymerisation of the resin and then to dry the wood. The process has an intermediate stage between the impregnation and the compression. This intermediate stage consists of a pre-drying phase,...

L'invention est relative à un procédé de projection de béton ou de mortier, par voie sèche ou par voie humide, pour réaliser sur une surface une couche de béton ou de mortier, dans lequel on ajoute juste avant ou au niveau du moyen de projection une suspension aqueuse (A) de silice et de composé d'aluminium choisi parmi le sulfate d'aluminium, les aluns et leurs mélanges, ladite suspension aque...

Récipient thermoformé en matière plastique, en particulier pour produit alimentaire, comprenant une ouverture (12) de remplissage et un fond (18) opposé à cette ouverture, et un élément (20) en saillie vers l'extérieur sur le fond (18) et relié à ce dernier par une ligne d'entaille ou prédécoupe (26) formée dans l'épaisseur du fond et rompue par action manuelle sur l'élément (20) pour former un...