New compositions containing an additive consisting of triethanolamine borate or of the mixture of amine and oxygen-containing boron derivative. Applications to the manufacture of prepreg mats.

A process for controlling the welding operation in the production of a socket joint for thermally insulated line pipes by means of resistance heating, where the temperature of the resistance wire is constantly measured during current passage. At a second measuring point, the temperature of the welding pool is measured between two windings of the wire. At first, the wire temperature, the maximum va...

A process for controlling the welding operation in the production of a socket joint for thermally insulated line pipes by means of resistance heating, where the temperature of the resistance wire is constantly measured during current passage. At a second measuring point, the temperature of the welding pool is measured between two windings of the wire. At first, the wire temperature, the maximum va...

A process for controlling the welding operation in the production of a socket joint for thermally insulated line pipes by means of resistance heating, where the temperature of the resistance wire is constantly measured during current passage. At a second measuring point, the temperature of the welding pool is measured between two windings of the wire. At first, the wire temperature, the maximum va...

A process for controlling the welding operation in the production of a socket joint for thermally insulated line pipes by means of resistance heating, where the temperature of the resistance wire is constantly measured during current passage. At a second measuring point, the temperature of the welding pool is measured between two windings of the wire. At first, the wire temperature, the maximum va...

A powder proof, reclosable container, for instance a container which is liquid and gas proof before being opened and which, after having been opened, is adapted for being reclosed under at least powder proof or preferably steam proof conditions, and comprising an outer container (1) of a supporting material, an inner bag (2) or an inner layer of for instance a liquid or gas tight material and a re...

A powder proof, reclosable container, for instance a container which is liquid and gas proof before being opened and which, after having been opened, is adapted for being reclosed under at least powder proof or preferably steam proof conditions, and comprising an outer container (1) of a supporting material, an inner bag (2) or an inner layer of for instance a liquid or gas tight material and a re...

A stereophonic baffle comprises a first transducer group (7 to 10) located along a first line and fed by a right signal of a Hi-Fi chain and a second group of transducers (11 and 15) located according to a second line, forming an angle with the first line, and fed by a left signal. The left and right signals feeding the groups of transducers (7 and 10 and 11 to 15) are in phase and the path (a to ...

The appliance comprises a housing seat (71) for a milk container (6) removable from said seat, a system of electrical heating resistances (4) associated with said seat near the container (6), an agitator (21) inserted in a removable manner from the container (6) and an electric motor (3) for driving the agitator (21). Thermostat means (23, 23 min , 23 sec ) with two temperatures associated with an...

Compounds are described of formula (I) (I) and salts thereof, wherein R1 represents a methyl, ethyl or isopropyl group; R2 represents a hydrogen atom, a C1-8 alkyl group or a C3-8 alkenyl group and the group =NOR2 is in the E-configuration; OR3 is a hydroxyl group or a substituted hydroxyl group having up to 25 carbon atoms. These compounds may be used for controlling insect, acarine, n...

The device is in the form of a stand which can be rotated around a vertical central axis. It has a horizontal section in the form of an equilateral polygon. At least some of the display surfaces (60,60') are surfaces of two-dimensional wall elements, which can alternate between two display positions. The alternating wall elements are wide enough that one vertical side edge depending on the display...

The installation (10) anchor chain is divided, and a length of wire (19a) is connected between the parts. The wire is laid out whilst the auxiliary vessel (17) moves away from the offshore installation which at the same time pays out the inner chain part (16b). - When the anchor (14), with the aid of a chaser line is laid into position, the offshore installation pulls the inner chain part (16b) so...

The two side pieces (12,13) are provided with pins (12a,13a) which extend at right-angles from the same side. The pins are semi-circular in shape and toothed. The pins are positioned symmetrically on the side pieces so that after the pieces have been folded towards one another the pins grip to engage via their toothed surfaces.

This device smashes glass and other brittle material by passing the material through rotating teeth.

A free-standing electrostatic dust or impurity separator is fitted adjacent to the spray booth, with the booth wall part orientated at a slight distance from it, so that free acess is afforded service personnel. Fresh air enters through the upper part of the booth, and air currents polluted with paint particles and other impurities pass outwards via the base of the booth, to be cleaned in a prim. ...

The stencil (3) is pressed against the printing table (2a), with pressure being thus applied to a material (6a') located between them. The frame (4) works in conjunction with a gripper (9) which secures the material front end part, and during the printing sequence raises the frame front end to permit an adequate release angle to be formed between the stencil and the material. With pressure applied...