Cycloalkanones and cycloalkanols can be prepared by conversion of cycloalkylhydroperoxides in solution in a suitable solvent, under the influence of a solid catalyst, Solution and catalyst form a heterogeneous system. For this purpose, a number of catalysts have been proposed, but the known processes have serious draw backs with respect to efficiency of the process, catalyst cost and/or alcohol to...

PURPOSE:To provide L-H change valve by which OD shift valve which completes the over drive change gear step is shifted in H position.

PURPOSE:To enable the shift mode in automatic gear-shift to be set in some kinds of variety and to be changed freely by selecting the desired shift mode.

PURPOSE:In the high stage automatic gear shift controlling apparatus, the speed stage selected according to each range select stage can be changed easily.

An agricultural machine for chopping straw and stubble comprises: a hollow casing 1 mounted for being driven over a field at an angle offset to the forward direction D and housing a power-driven rotor 4 carrying spaced- apart fails 5. The flails pass through gaps in a cutting comb 16 mounted inside the casing. The casing is open at the bottom 8, for the collection of material to be chopped, and is...

A system for controlling an electro-magnetic powder clutch of an internal combustion engine for a vehicle comprises a transmission, a 2nd switch adapted to be closed in the 2nd speed stage of the transmission, a thermo switch adapted to be closed at a predetermined temperature of the clutch, and a control circuit. The control circuit is so arranged that the current to the magnetizing coil of the c...

The bead assemblies (16, 17) are held in accurately spaced relationship against opposite flanged ends of a tube, e.g. by magnetic or vacuum means (Fig.2). Tyre carcass material (26) carried on an expansible former (25) is located within the tube (Fig. 3) and expanded to engage the bead assemblies (16, 17), the projecting ends of the carcass material being turned radially outwardly around the bead ...

PROCEDIMIENTO PARA EMPALMAR MECANICAMENTE HILOS TEXTILES.LOS HILOS SON PRIMERAMENTE DESTORSIONADOS HASTA UN ESTADO DESEADO, EN POSICIONES DE NO INTERFERENCIA MUTUA. POSTERIORMENTE SON CONDUCIDOS CONJUNTAMENTE, Y POSICIONADOS EN COLA DE MECHON. SEGUIDAMENTE SE EFECTUAN ACCIONES DE DESGARRAMIENTO DE CADA COLA DE MECHON, Y UN RETORSIONADO CONJUNTO. EL PROCESO SE REALIZA A TRAVES DE MEDIOS DE ANILLO, ...

A belt, band or other tire component folding machine and method are characterized by a rotatable and expandable drum (46) comprising a substantially rigid cylinder deck (56) having a precisely formed peripheral deck edge (174) and an inflatable bladder assembly (60) positioned slightly axially and radially inwardly subjacent the deck edge which cooperate to define a precise fold line along the dec...

The invention relates to an X-ray examination apparatus comprising a frame and a patient examination table which is slidably connected to the frame. This apparatus is particularly suitable for making Bucky exposures. The apparatus offers the advantage that it is very accessible from the sides, without mounting the guide rail (the guide rail supports the stand which supports the X-ray source) on th...

Polyoxyalkylene surfactants for cellular foams can be prepared by reacting a polyoxyalkylene adduct and an esterified unsaturated dibasic acid in the presence of a free-radical initiator.

A transferable enamel sheet and the process for producing it is disclosed, which consists of a carrier film, a release layer applied thereon, a paint or enamel layer and an adhesive layer whereby a neutralization layer of wax-type consistency, preferably carnauba wax is applied to the release layer which is of the dimethyl-siloxane type (silicone). It is possible to preform two types of transferab...

The invention is directed to a rigid article comprising a soft foam member, preferably open cell polyurethane, adhered to at least one surface of said soft foam member, a hard polyurethane resin member; said adhesion being obtained by way of penetration of hard resin affording material into cells of said soft foam member for a distance sufficient to provide a substantially permanent bond between s...

There is provided an article for use by persons lying on the ground at the sea or like locations. The device serves as a head rest for the reposing person and as a sun shade. When not in use as stated, the device serves as a carrying bag.

An electrosurgical instrument having a permanent deformation prevention means such as an elastic helical coil (34, 34A, 34B), an elastic plate member and a ring member provided in the distal end portion (31a) of a flexible tube (31). The instrument may also be provided with an element (34a) or elements (34a, 34b) for preventing the electrode wire hole or holes (32a, 32b) in the lateral wall of the...

A curable, storage-stable and solventless single component sealant for pneumatic tires having as its essential sealant functioning components a liquid low molecular weight hydroxy terminated polybutadiene diol, an antioxidant, a polymeric isocyanate, and, a polyurethane catalyst; this sealant can be blended with a sealant optimizing amount of a masterbatch.

PCT No. PCT/SE83/00169 Sec. 371 Date Dec. 29, 1983 Sec. 102(e) Date Dec. 29, 1983 PCT Filed Apr. 28, 1983 PCT Pub. No. WO83/03837 PCT Pub. Date Nov. 10, 1983.Inactivated polyurethane and a method for preparing it are disclosed. The polyurethane is inactivated by being coated with a layer of a polymer which contains e.g. hydroxyl groups. These hydroxyl groups react with free isocyanate molecules in...

On combine des polyesters avec des stabilisateurs UV afin d'obtenir un produit final, tel qu'un film, une feuille, un ruban ou un filament, en mélangeant des granules de polyester et le stabilisateur UV sous la forme de poudre à une température élevée, de telle sorte qu'au moins la surface extérieure des granules de polyester soit molle, en provoquant ainsi l'adhérence du stabilisateur UV pulvérul...

Non-dusting, granular pigment concentrates which are intimate dispersions of pigment in a low molecular weight polyolefin are described. The pigment dispersions are produced by milling pigment, low molecular weight polyolefin and water to form an aqueous slurry and then solvent granulating the pigment dispersion in the slurry in the presence of a surfactant.

A method of bond moulding rubber on glass, wherein the rubber-glass bond is established while the rubber undergoes dimensional conformation and chemical change from the plastic phase into the elastic phase under the combined actions of time, heat and/or pressure. The method comprises the following steps: glass degreasing by means of organic solvents of the alphatic and/or aromatic series; applicat...