A medical catheter for example for drainage of a bodily fluid such as urine, comprises a biodegradable portion (18) which degrades throughout the period in which the catheter is in place in a body cavity, and thereby resists infection or the formation of encrustation or blockages normally associated with indwelling catheters.

A connector for axially aligning a pair of optical waveguides is disclosed comprising a receptacle (62), a pair of plug members (32, 33) for positioning in the receptacle bore (64), and a pair of retention sleeves (10) for positioning within respective plug members. Each plug member is adapted to receive a respective optical waveguide cable (74) therein, and provides a forward alignment noze porti...

The invention relates to household objects, more especially dispensers of adhesive articles in tape form. The device includes a cylindrical container 5 made of a thin sheet of transparent plastic enclosing the spirally wound tape 4 and whose side wall, which is slit, has, on one side of the slit 6, a re-entrant part 7 whose zone close to the slit makes an angle close to a right angle with the zone...

The invention relates to a device for gathering and discharging roots, for example beet, unearthed by a plough share of a lifting machine. According to the invention, the device consists of two freely rotating elements in the form of discs 16', 17' or of sun wheels having on their periphery tines (teeth) 29 or projections penetrating into the ground, the said rotary elements which roll over the gr...

The present invention relates to a method for manufacturing shaped wooden elements, a device for implementing this method and the shaped elements thus obtained. Method characterised in that it essentially consists in producing the said elements by the use of raw bought-out conventional standard sections joined together at their faces and/or their edges and possibly butt-joined. ;

La prés...

Le codage de la mesure d'un nombre quelconque de grandeurs observées dans un pneumatique, par exemple sa pression et sa température, est effectué par un rapport de périodes de temps Tp/Tr, Tt/Tr, ce qui affranchit le dispositif de l'effet de la dérive du système de modulation, la dérive affectant simultanément le numérateur et le dénominateur dudit rapport.

L'invention se rapporte au domaine des silicones.

Elle concerne une composition gélifiable comprenant A un polydiorganosiloxane alcénylé, B un composé hydrogéné du silicium, C un polydiorganosiloxane terminé par des groupes diorganohydrogénosiloxy, et D un catalyseur catalysant la réaction de groupes CongSiH avec des groupes CongSi-alcényle.

Utilisation dans le domaine médical, par ...

The invention refers to a screw-piston injection set for plastic moulding machines that consist of an injection cylinder (2), a feed and injection screw (6, 70) and an operation set for the screw (6, 70). Said operation set consists of an end pulley (19, 74) and an intermediate pulley (12, 82) that takes the motor pulleys (17, 75) that is neutral on an operational motor's transmission shaft (16, 7...

Plastic bodywork in which the coating consists of a core made from rigid plastic foam or honeycomb 1 on the external face of which the plastic sheet 2 is bonded and on the internal face of which the plastic sheet 3 is bonded. This coating is fixed onto the frame which supports it or the previously-established structure 4 by bonding the external plastic sheet 2 which is extended in order to cover i...

This assembly 1 comprises a container 2 intended to enclose the substance to be protected and a cover 3 for protection and for tamper-proofing sealed to the upper edge 7 of the said container 2. In order to eliminate all risks of piercing the cover 3 as a result of axial shocks, a reinforcing plate 4 is disposed against the internal face of the said cover 3, in the region located opposite the mout...

Procédé d'extraction du tungstène à partir de minerais contenant du tungstène selon lequel i on forme un mélange d'un minerai contenant du tungstène et d'un premier acide minéral apte à consommer les substances consommant l'acide contenues dans ce minerai et ii on ajoute des anions organiques pour produire une solution contenant la matière de valeur en solution contenant du tungstène, après quo...

A method and kit for identification of the lineages and stages of hematopoietic cells in a sample wherein the cells are treated with labeled monoclonal antibodies selected to distinguish between each lineage and maturational stages within each lineage.

PURPOSE:To operate the title stabilizer in a manner as to prevent impairment of the stability of a reactor core by controlling a control rod driver so as to effect control rod insertion and control rod withdrawal prohibition when generation of a pump trip is decided by a trip deciding device. CONSTITUTION:The internal pump trip deciding device 1 consists of a pump trip number detecting circuit 2, ...