An object of the present invention is to provide a tread centering device which automatically detects the position of tread center and holds it in a straight form even when the center of tread is not positioned in a straight form. The device mainly comprises a plurality of detectors (28) for detecting a groove (27) for centering the tread (25), a holding plate (11) which is inserted into the detec...

A thin pipe connecting joint comprises: a joint body including retaining walls bent individually from the two end portions thereof, and an assembly hole extending through the axis thereof; and a pair of pipes including engagement walls formed at their end portions to be connected and adapted to be brought into abutment against each other, elastic seal ring members assembled on the individual back ...

The control method simultaneously controls the movement of a number of autonomous load handling vehicles using a management logic and a control unit (4) coupled to each of the vehicles via a radio link. Each of the vehicles is provided with laser scanners for determining its position within the load handling range, supplied to the control unit together with the load availability of the vehicle, th...

L'invention concerne des fils de verre revêtus d'une composition d'ensimage comprenant (A) au moins un alcane polyglycidyl éther, (B) au moins un agent de couplage et (C) au moins un agent filmogène collant.
Ces fils sont particulièrement aptes à renforcer des polyesters thermoplastiques tel que le polytéréphtalate de butylène ou le polytéréphtalate d'éthylène.

A bottle having a sterility seal and a method for producing same are disclosed. The bottle, which can be configured to retain a medicament in powder or tablet form, features a protective cap configured to engage a transfer assembly associated with the bottle. The cap includes one or more raised ridges on an interior surface engageable with a portion of the transfer assembly. A band or layer config...

A method for recording or logging measurements that are substantially comparable to the acoustic impedance of formations crossed through by a borehole. The measurements are obtained from an acceleration sensor (11) placed in the drill string (2) between a rock breaking tool (7) and mechanical decoupling means (12) arranged between some elements of the drill string. A measurement indicating the aco...

Procédé d'émission indépendante de messages sur une pluralité de distributeurs (D1, D2) de carburant d'une station-service (20), chaque distributeur étant équipé d'un dispositif (E1, E2) d'émission de messages.
Selon l'invention, ledit procédé comprend les étapes suivantes:
- édition d'au moins un message consistant à enregistrer ledit message sur un support d'enregistrement analogique ...

The present invention relates to a method of preparing a polyester comprising polymerizing at least one beta -substituted- beta -propiolactone in the presence of an initiating amount of alkylzinc alkoxide in bulk or in solvent for a reaction time and temperature sufficient to produce said polyester.

The present invention relates to a method of preparing a polyester comprising polymerizing at least one beta -substituted- beta -propiolactone in the presence of an initiating amount of alkylzinc alkoxide in bulk or in solvent for a reaction time and temperature sufficient to produce said polyester.

The present invention relates to biodegradable PHA copolymers comprising at least two randomly repeating monomer units (RRMU) wherein the first RRMU has structure (I) wherein R<1> is H or C2 alkyl, and n is 1 or 2; the second RRMU has structure (II); and wherein at least 50 % of the RRMUs have the structure of the first RRMU. The present invention further relates to plastic articles comprising sai...

The present invention relates to biodegradable PHA copolymers comprising at least two randomly repeating monomer units (RRMU) wherein the first RRMU has structure (I) wherein R<1> is H or C2 alkyl, and n is 1 or 2; the second RRMU has structure (II); and wherein at least 50 % of the RRMUs have the structure of the first RRMU. The present invention further relates to plastic articles comprising sai...

The present invention relates to biodegradable PHA copolymers comprising at least two randomly repeating monomer units. The present invention further relates to a plastic article comprising a biodegradable copolymer, wherein the biodegradable copolymer comprises at least two randomly repeating monomer units (RRMU) wherein the first RRMU has structure (I), wherein R<1> is H, or C1 or C2 alkyl, and ...

The present invention relates to biodegradable PHA copolymers comprising at least two randomly repeating monomer units. The present invention further relates to a plastic article comprising a biodegradable copolymer, wherein the biodegradable copolymer comprises at least two randomly repeating monomer units (RRMU) wherein the first RRMU has structure (I), wherein R<1> is H, or C1 or C2 alkyl, and ...

The present invention relates to fibers, and nonwovens comprising said fibers, comprising a biodegradable copolymer, wherein the copolymer comprises at least two randomly repeating monomer units (RRMU) wherein the first RRMU monomer unit has the structure and the second RRMU has the structure wherein at least 50% of the RRMUs have the structure of the first RRMU. The present invention further rela...

The present invention relates to fibers, and nonwovens comprising said fibers, comprising a biodegradable copolymer, wherein the copolymer comprises at least two randomly repeating monomer units (RRMU) wherein the first RRMU monomer unit has the structure and the second RRMU has the structure wherein at least 50% of the RRMUs have the structure of the first RRMU. The present invention further rela...

PCT No. PCT/SE90/00207 Sec. 371 Date Aug. 15, 1991 Sec. 102(e) Date Aug. 15, 1991 PCT Filed Mar. 30, 1990.The present invention relates to a method to manufacture a composite ceramic material having a high strength combined with bioactive properties, when the material is used as a dental or orthopedic implant, which includes preparing a powder mixture, mainly comprising partly a first powder, whic...

A method of effecting automatic callback in a mobile telecommunication system. A calling subscriber is permanently connected to a public switched telephone network and a called subscriber is a mobile unit which moves in the public land mobile network. A centrally located home location register keeps an account of where all mobiles registered in the mobile telecommunication network are located, wit...

A mixt., for road coverings, comprises: (a) 25-35 wt.% chippings of 4-12mm size; (b) 25-35 wt.% chippings of 2-7mm size; (c) 30-50 wt.% sand of 0.09-3mm size; (d) 5-7 wt.% binder in the form of bitumen; and (e) 2-6 wt.% filler of 0.03-0.09mm size, comprising an electric steelmaking filter dust of compsn. (by wt.) 25-55% Fe2O3, 1-3% SiO2, 0.3-0.7% Al2O3, 2.0-3.5% MgO, 5-7% MnO, 0.1-0.2% P2O5, 0.5-0...

A novel hydraulic binder consists of a dry mixt. of (by wt.) 78-85% foundry slag, 8-12% quicklime, 2-6% gypsum and 3-7% cement, pref. Portland cement. Also claimed is a construction material for building or public works, formed by combining the above hydraulic binder with aggregates.;

L'invention concerne un liant hydraulique formé par le mélange de laitier de fonderie, chaux aérienne vive et g...

Sprayable fireproofing compositions for structural members such as steel columns are provided. The compositions comprise a cementitious binder such as Portland cement, and a hard aggregate containing water of hydration. Such hard aggregates contribute not only to the strength of the fireproofing composition, but also contribute thermally. The product is produced by dry blending a mixture of the ce...