PURPOSE:To form a simple structure in a transmission or the like of an agricultural machine such as a seedling planting machine, etc. by providing an engagement recessed part on the outer surface of a bushing, deviding a transmission case in two-pieces along the direction of a rotary shaft, and while forming integrally an engagement projection which engages with the engagement recessed part so as ...

PURPOSE:To enable the manual and free selection of the variable speed feeling by a driver by changing the variable speed pressure during the changing of speed or an output of a motor during the changing of speed or the both of them corresponding to the command from the driver. CONSTITUTION:A variable speed control circuit 6 finds the variable speed from the variable speed pattern on the basis of t...

PURPOSE:To impart a durable anti-fogging property and a high surface hardness by providing at least two layers of hardened coats comprising specified two constituents as main constituents, and setting the main constituents of the outermost layer in a specified relathionship with the main constituents of the layer making contact with the outermost layer. CONSTITUTION:At least two layers of hardened...

PURPOSE:To ensure the power transmission for the forward and backward movements of a vehicle by a method wherein retainers to engage and disengage a pivoting casing with an axle side is made possible to be held at the neutral position by means of neutral holding members in the titled unit suitable for a four-wheel-drive car. CONSTITUTION:In the titled differential unit 10, the driving rotation of ...

PURPOSE:To suppress the consumption of a belt and to replace the belt simply by stopping the rotation of an input shaft in the most decelerated condition when a regulation circuit device receives a rotation stopping signal of the input shaft, and furnishing a lid at the front side of the free end of an output shaft. CONSTITUTION:By pushing a stop switch SW to operate the connection of a bridge cir...

A double-shade umbrella characterized by comprising a safety device (30) (Fig 4B) at the joints of ribs of the two shades (1, 2), a single-button release device (45) in the handle, a coupling (65) at the top caps, (Fig 8 not shown) and a connection for a pointed pole and having ribs, frames and shades capable of being folded in two sections.

Plastic film, produced substantially from recycled polyethylene, contains at least 10 per cent by weight of linear low- density polyethylene having a density beneath 0.915, thereby improving the welding properties and mechanical properties of the film. The plastic film is particularly suited for the manufacture of sacks, primarily sacks for the collection of rubbish or garbage by local authorities...

The invention relates to the braking, by means of a control lever, of the winch of a derrick equipped with a band brake and located away from the lever. The lever and the band brake are included in a servo-control circuit and connected by an electric transmission line. A force return is provided on the lever by means of a torque motor receiving the position error signal relative to the mobile end ...

A lightsafe masking film is disclosed which comprises a substrate, a pressure sensitive adhesive layer formed on the substrate, and a lightsafe, peelable layer formed on the adhesive layer and including a dialkyl phthalate, nitrocellulose, a lightsafe colorant and, optionally, a filler and a nitrile rubber. The peelable layer further suitably contains a dialkyl ester of an aliphatic dicarboxylic a...

PURPOSE: To enable to provide an internal surface of a polyether-urethane molding like a catheter with a blood afinity coating layer, by coating the polyether-urethane molding with a polyethylene oxide layer, followed by bonding the coated polyethylene oxide layer to the polyether-urethane molding. CONSTITUTION: Applying a polyethylene oxide layer which has 1,500-1,500,000Mw, and pref. 100,000-300...

PURPOSE:To aim at prevention of the movement of a rotary shaft in an axial direction by inserting a pin having a screw into a through hole provided at a movable core, screwing it into a screw hole provided at the flange portion of a yoke and pressing the outer ring of a bearing at an opposite load side by the end of the pin. CONSTITUTION:A plurality of screw holes 1c are provided at intervals in a...

PURPOSE:To perform transmission without generating loss at a temperature less than the critical temperature of a superconductor and transmission with low loss at a temperature over the critical temperature by interposing the superconductor adhesively between an upper strip ordinary conductor and a dielectric substrate. CONSTITUTION:The superconductor 4 interposed between the upper strip ordinary c...

PURPOSE:To store particulate matter of starting materials for a superconductor for over a long time while inhibiting deterioration of the quality due to atmospheric oxygen or moisture by covering the particulate matter with a covering material. CONSTITUTION:After calcining a primarily pulverized mixture of particulate starting materials for a superconductor, the product is sintered after secondary...

Expandable polymers in particle form for the preparation of foams having high heat distortion resistance contain from 20 to 94.9% by weight of a styrene polymer, from 0.1 to 75% by weight of a polyphenylene ether and from 5 to 20% by weight of a blowing agent mixture of aliphatic or cycloaliphatic hydrocarbons on the one hand and aromatic hydrocarbons, alcohols, ketones, ethers, esters and/or chlo...

Process for the surface activation of products made of plastic material based on polypropylene and mixtures or alloys thereof, wherein the product to be treated is initially painted with a liquid composition of polyolefinic synthetic organic resins dissolved in organic solvents, then thoroughly dried and finally subjected to ultraviolet light radiation. The product thus treated is in an optimum co...

The use, in an otherwise conventional polyolefin extrusion foaming process, of a stability control agent (e.g., stearamide, EAA copolymer, etc.) in conjunction with certain mixed blowing agent systems (e.g., 5-50 weight percent trichloromonofluoromethane and 50-95 weight percent dichlorodifluoromethane) provides closed-cell olefin polymer foam articles having increased maximum achievable cross-sec...

A composition suitable as a V.I. improver additive for lubricants comprising from 1 to 15% of a vinyl aromatic sequential block copolymer having an Mn in the range 25,000 to 125,000 and containing from 10 to 40% b.w. of the vinyl aromatic component, from 5 to 45% of a polybutene having an Mn in the range 5,000 to 60,000 and the remainder of the composition comprising a solvent neutral base oil, al...

The invention relates to fuels for spark-ignition engines, containing small quantities of copolymers of alkyl (meth)acrylates having 8 to 40 C atoms in the alkyl radical and/or vinyl esters of carboxylic acids containing 8 to 40 C atoms and monoethylenically unsaturated mono- and/or di-carboxylic acids having 3 to 12 C atoms and/or monoethylenically unsturated compounds with sulphonic and/or phosp...

A polymerizable composition is formed from (a) a polymerizable olefinically unsaturated substance, (b) a phosphorus oxyacid and an organic amine, at least one of which bears a polymerizable olefinically unsaturated group and optionally (c) a particulate inorganic material. Such compositions are useful in dental applications.

PURPOSE: To produce filling components in a short cycle time and to improve seating confort by inclining a deep drawing die so that a cover tightly adhered to the deep drawing die can be located at an inclining angle arbitrarily inclined to a vertical line together with its lower part, sealing the lower part of the void at the lower part of the cover and tightly adhering a reaction mixture on the ...