The opener has a receptacle (1) in which the shell is held by an inclined edge (4). The upper edge (2) of the receptacle has holes and the bent end (7) of a lever (6) is held in one of these. Its position is varied according to the size of the shell fish. Two sides (2,3) of the receptacle are closed by a bar (5) across the corner and this holds the shell. A triangular blade (8) is fixed to the lev...

PCT No. PCT/FI95/00180 Sec. 371 Date Nov. 27, 1996 Sec. 102(e) Date Nov. 27, 1996 PCT Filed Apr. 4, 1995 PCT Pub. No. WO95/26930 PCT Pub. Date Oct. 12, 1995A method for treating a liquid flow to be cleaned passing through a flow line into a flotation plant including passing a portion of the liquid flow to be cleaned from the flow line along a first branch line into a pump. The suction capacity of ...

Apparatus for determining the position of a mobile vehicle relative to a fixed location marker device (10,20) which comprises a coil (22) energized to emit a magnetic field composed of lines of magnetic flux extending radially and arcuately from the ends of the coil's longitudinal axis (12). A sensor unit mounted on the mobile vehicle comprises four identical sensing coils (A,B,C,D,) each responsi...

The navigation system is for an independent vehicle (1) which is equipped with a lateral row of detectors (2). Magnetic beacons (3) are buried at intervals in the ground and create a localized field which in its turn creates a variable induced current in the detectors (2) depending on their position. Terminals consisting of magnets (151 to 155), whose number and polarity are chosen, form magnetic ...

A toe piece for a ski binding comprising a binding member (1) and a toe clamp (2) with two side flanges each of which is pivotable about a substantially vertical axis. When pivoting about its axis, the toe clamp (2) or the toe clamp flange exerts a torque on a lever (6) pivotably mounted about a pin (7) and hingedly connected to the end of at least one spring (9) of which the other end is hingedly...

Un dispositif de soutien (1) pour l'opérateur d'un chariot élévateur local comprend un dispositif à deux surfaces d'appui (4, 3), rembourrées, faisant à peu près un angle droit entre elles. Une première surface d'appui (4) orientée horizontalement est destinée au montage de coussins d'assise (7) et l'autre surface d'appui (3) orientée verticalement est destinée au montage d'un dossier de soutie...

The sun shade has an off centre support (5) below a fabric shade (1) which can rotate through 360 degrees in a horizontal plane, forming a pivoting corolla. Around the edge of the shade there is a circle (2) of metal which slides into a hem around the edge of the shade. A curved bar (4) gives the shade an arched shape. There is a hub (6) which rotates around the foot (5) due to a difference in dia...

The invention relates to a test circuit for the amperometric determination of the current flowing through a sensor (41). The circuit comprises a current source (V+, 46) for passing a direct current through the said sensor, switching means (45) for selectively controlling the said current source, means of comparison (42) for comparing the potential difference (VBS) across the terminals of the said ...

The invention relates to a ski binding, particularly a front binding. The binding comprises a base (10) joined to the ski, a body (8) mounted on the base, a jaw (4), an energy spring (11) housed in the body to elastically oppose the opening movements of the jaw in response to the lateral and vertical stresses of the boot and a support plate (20) on which the boot sole rests. It is characterised ...

Apparatus for determining the position of a mobile vehicle relative to a fixed location marker device (10,20) which comprises a coil (22) energized to emit a magnetic field composed of lines of magnetic flux extending radially and arcuately from the ends of the coil's longitudinal axis (12). A sensor unit mounted on the mobile vehicle comprises four identical sensing coils (A,B,C,D,) each responsi...

A fluid dispensing system (10) for delivering sterile preservative-free solution (20) is disclosed. The system (10) uses double self-sealing valves (56, 58) mounted in series inside a tip compartment (22) which fits on the outlet of a multiple dosage squeeze container (12) to prevent undesirable retrograde flow of the dispensed liquid back into the bottle (12) during the decompression cycle. The v...

A coupling device between a ski boot and a ski having a top surface and a toe binding. The toe binding engages the ski boot and is pivotal around a first axis which is perpendicular to the top surface of the ski. The coupling device also includes a heel binding for engaging the ski boot. A carrier device having a front end, a back end and two sides, is located between the toe binding and the heel ...

Apparatus for determining the position of a mobile vehicle relative to a fixed location marker device (10,20) which comprises a coil (22) energized to emit a magnetic field composed of lines of magnetic flux extending radially and arcuately from the ends of the coil's longitudinal axis (12). A sensor unit mounted on the mobile vehicle comprises four identical sensing coils (A,B,C,D,) each responsi...

Rigid, closed cell polyisocyanurate foams are prepared by reacting together a polyisocyanate and a polyester polyol or a mixture of a polyester polyol and at least one other isocyanate-reactive compound in the presence of (a) a hydrogen-containing blowing agent or a mixture of a hydrogen-containing blowing agent and at least one coblowing agent and (b) a catalyst mixture comprising (i) a carboxyla...

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...

A flat free-standing diamond film is produced by growing alternately more than one pair of a potential-concave diamond layer and a potential-convex diamond layer on a non-diamond substrate and eliminating the substrate. The potential-concave films are made by a CVD method under a condition (b) of a substrate temperature of 880 DEG C to 950 DEG C and a hydrocarbon ratio of 2.5 vol% to 3.5vol%. The ...

For producing solutions of cellulose in water-containing tertiary amine oxides from a suspension of cellulose in an aqueous solution of the tertiary amine oxide by supplying heat under reduced pressure, the suspension having a viscosity between 50 and 15,000 Pas.sec, measured in a relative system, is spread as a layer or film over a heating surface and transported until a homogeneous solution of t...

L'invention concerne un procédé de préparation d'un matériau isolant composite profilé, ledit procédé étant caractérisé en ce qu'il comprend les étapes consistant à appliquer une dispersion aqueuse de lamelles de vermiculite à un substrat de fibres céramiques en une quantité suffisante pour rendre le substrat pliable, modeler le substrat en une forme à trois dimensions, et à sécher ensuite ledi...

Composite yarn for surgeon's gowns, etc. has staple yarn and filament yarn with interwoven filaments

A suspension comprising a dispersing medium containing at least 2% by weight of a fine particles of cellulosic material having a 50% cumulative volume diameter of from 0.3 to 6 mu m, wherein a cumulative volume ratio of those particles having a diameter of not more than 3 mu m is at least 25% is disclosed. The suspension is obtained by a process comprising subjecting a cellulosic material to a d...