The present invention relates to a method for replacing lost tooth substance wherein a model is made from an impression of a prepared tooth or teeth upon which the replacement is to be made. The model serves as a master for transferring the shape of the model to work pieces by means of mechanical processing means.

An optical recording disc in which a disc substrate made of a synthetic resin having a light transmittance and a hub made of a synthetic resin, fixed to a center part of the disc substrate by means of a predetermined technique such as a supersonic wave expansion molding and on which a circular magnetic metal plate is installed by means of an insert molding and so on are provided and a circular gro...

A system for restraining the lower limbs of a prisoner being conveyed in a vehicle, such as a police car, to preclude injury to persons and to property by violent kicking action of the prisoner. The system utilizes a laminated strap having synthetic hook and loop fastening elements formed on one ply of the laminate and a reinforced vinyl backing formed on the other ply. One end of the strap is fas...

A method of manufacturing a building block which imitates a pile of dry stones. According to the method, the stones (10) are placed side-by-side on the bottom of a mold whose inside shape corresponds to the desired block shape, said bottom being constituted by a grating. Cement is then cast inside the mold. The cement (11) is compressed in order to force it to spread out uniformly inside the mold ...

A method of manufacturing a single crystal of BaPb1-xBixO3 comprises dissolving BaPb1-xBixO3 in an aqueous solution and subjecting the resulting solution to a hydrothermal process which applies heat and pressure to the crystal within an aqueous solution. The aqueous solution comprises a nitrate as the main component.

The carriage is displaced by a tooth belt which is moved continuously by an electric motor and is connected to the carriage be means of an element engaged between two teeth of the belt and slidable on the carriage in a direction perpendicular to the direction of displacement of the carriage. The pulleys are provided with a recess capable of engaging the element in such a way as to move it positive...

A plumbing construction is provided including a pipe, a fitting, and a bushing, each formed from polybutylene and providing a fluid-tight connection between the pipe and the fitting. The bushing is mounted about the pipe and an end of the pipe and the bushing is inserted into the fitting. The bushing is rotated with respect to the fitting to produce friction welds between the bushing and both the ...

A multi-functional tool combination has a top and bottom casing and guiding plate which forms a compartment for the arrangement of a pair of scissors, a measuring tape, a stapler, a paper punch, a pencil sharpener, a blade etc. These stationery tools are adapted for convenient use, and the combination is compact so that it can be easily carried.

In the manufacture of packing containers of the non-returnable type for, e.g., milk, the forming and closing of the ridgelike top of the filled packing container represents the final phase in the manufacture. The top is provided with sealing panels which are intended jointly to form a top fin on the closed packing container. The present invention relates to an arrangement for the processing of a p...

PURPOSE:To mass-produce an optical fiber coupling member and to give a resistance to moisture absorption and temperature variance by forming a guide substrate, where optical fiber guide grooves are provided on the upper face, with an article formed with a mold and joining a plate onto this guide substrate to form optical fiber guide holes. CONSTITUTION:A plate 12 is joined onto a plastic molded gu...

NEW MATERIAL:The radioactive compound of formula I [Br* is radioactive Br; R is group of formula II (R1 is H or lower alkyl), formula III (R2 is R1, halogen, lower haloalkyl or lower alkoxy) or formula IV (R3=R1; dotted line represents single or double bond)]. EXAMPLE:[<82>Br]-2-bromospiroperidol. USE:A drug. It has high affinity with dopamine receptor and is useful as a nuclear medical diagnostic...

NEW MATERIAL:2-[4-Carbamoylmethyl-7-fluoro-2H-1, 4-benzoxazin-3(4H) on-6- yl]-4,5,6,7-tetrahydro-2H-isoindole-1,3-dione of formula I. USE:Useful as a synthetic intermediate for herbicidal 2-[4-cyanomethyl-7-fluoro-2 H-1,4-benzoxazin-3(4H)on-6-yl]-4,5,6,7-tetrahydro-2H-isoindole-1,3-dione. The compound of formula I itself can be used as a herbicide. PREPARATION:The compound of formula I can be prod...

The novel compounds have the formula in which the radicals R1 and R2 are identical or different and are hydrogen, halogen atoms, a trifluoromethyl group, a cyano group, a nitro group, an amino group, a mono-C1-C6-alkylamino group, a di-C1-C6-alkylamino group, an amino group substituted by a phenyl-C1-C4-alkyl radical or a halophenyl-C1-C4-alkyl radical, or are a C2-C6-alkanoylamino group...

The present invention provides ketones of the general formula (I): and physiologically acceptable salts and solvates thereof, wherein R<1> and R<2>, which may be the same or different, each represents a hydrogen atom or a C1-6alkyl group; Im represents an imidazolyl group of formula: wherein one of the groups represented by R<3>, R<4> and R<5> is a hydrogen atom or a C1-6alkyl, C3...

The invention provides novel amino acids and peptides containing them which comprise a dihydropyridine -><- pyridinium salt-type redox system and which provide site-specific and sustained delivery of pharmacologically active peptides to the brain. These new amino acids contain a redox system appended directly or via an alkylene bridge to the carbon atom adjacent to the carboxyl carbon and may be i...

This invention provides a series of novel heterocyclic aliphatic carboxamides of formula I in which the group >Z-Y-X< is selected from >C=CH-N<, >N-CH=C<, >C=N-N< and >N-N=C< and the other radicals have the meanings defined in the following specification. The compounds of formula I are leukotriene antagonists. The invention also provides pharmaceutically acceptable salts of the formula I compounds...

NEW MATERIAL:A compound expressed by formula I [R<1> is H or lower alkyl; X is 1-4C alkylene which may have double bond or formula II (Y is -O-, -N-R2- (R2 is H, lower alkyl or amino protecting group); m is 1-3] or salt thereof. EXAMPLE:(1alpha,2beta,5Z)-7-( 2-Benzenesulfoneamidecyclopentane-1-yl )-5-heptenoic methylester. USE:An antithrombic agent, antivasoconstrictor, antitrachea contracting age...

This invention provides benzene derivatives which are leukotriene antagonists, formulations of those derivatives, and a method of using those derivatives for the treatment of conditions characterized by an excessive release of leukotrienes.

PURPOSE:To obtain a saccharide absorption suppressing composition suppressing intake of saccharide component caused by surplus nutrition, continuously exerting saccharide absorption suppressing action, consisting of a saccharide absorption suppressing component of Gymnema sylvestre R. Br. or a substance containing the same and a fat-soluble compound, CONSTITUTION:A saccharide absorption suppressin...

The invention relates to a process for the preparation of therapeutically useful, highly stable soft gelatine capsules containing naturally occurring oils obtained by the cold pressing of mainly plant parts (seeds), which comprises adjusting the free fatty acid content of the oil to a value according to an acid number of 0.3 to 4.5 by mixing oils of identical or different natural source with a dif...