Abstract: An additive gas delivery apparatus for delivery of additive gas to inspirational gas can be set to deliver the additive gas according to a dosing setting in normal therapy, and can be set to deliver according to a backup dosing setting in response disruption of signals representing data for controlling the delivery of additive gas according to the dosing setting in normal therapy. An additive gas delivery apparatus has an inlet for the additive gas and an integrated inlet for gas for oxygenating the patient that are connected to a backup line to mix the additive gas and gas for oxygenating the patient to a set concentration of additive gas in the gas mixture at an integrated backup outlet of the additive gas delivery apparatus.

Abstract: An additive gas delivery apparatus for delivery of additive gas to inspirational gas can be set to deliver the additive gas according to a dosing setting in normal therapy, and can be set to deliver according to a backup dosing setting in response disruption of signals representing data for controlling the delivery of additive gas according to the dosing setting in normal therapy. An additive gas delivery apparatus has an inlet for the additive gas and an integrated inlet for gas for oxygenating the patient that are connected to a backup line to mix the additive gas and gas for oxygenating the patient to a set concentration of additive gas in the gas mixture at an integrated backup outlet of the additive gas delivery apparatus.

Abstract: A method of forming a longitudinal solid body within at least one longitudinal hole formed in an optical fiber, comprising the steps of placing a first end and a portion of the optical fiber in a heating chamber; keeping a second end of said optical fiber outside of the heating chamber; forcing a molten material into the longitudinal hole of the fiber from the first end; and thereupon longitudinally extracting the optical fiber from the heating chamber at a controlled rate. Preferably, the fiber is extracted while molten material is being urged into the fiber.

Abstract: The invention relates to a method and a device for controlling the refractive index in the core of an optical fiber. According to the invention, an optical fiber is provided with a longitudinal electrode running along the core of the fiber. An electric current is passed through the electrode to induce ohmic heating thereof, causing thermal expansion and consequently a compressing force upon the core of the fiber. This compression of the core leads to induced changes in the refractive index in the direction of the compressing force, and hence induces or alters birefringence in the core.

Abstract: PROBLEM TO BE SOLVED: To provide a polarization control element which may be easily produced and miniaturized and has high reliability. SOLUTION: A core region 11 is a region of a circular shape in cross section disposed at the center of an optical fiber 10 and has a refractive index n1. A clad region 12 is a region disposed around this core region 11 and has a refractive index n2 smaller than the refractive index n1 of the core region 11. A pair of conductive parts 13a and 13b are respectively symmetrical with each other with respect to the optical axis center and are disposed within the clad region 12 over a specified range in a longitudinal direction. When current is passed to a pair of the conductive parts 13a and 13b, respectively, a stress is generated therein and a strain is generated in the core region 11 and the clad region 12. The propagation light propagated in the optical fiber 10 is controlled in the polarization state according to this strain.

Abstract: A method of forming a longitudinal solid body within at least one longitudinal hole formed in an optical fiber, comprising the steps of placing a first end and a portion of the optical fiber in a heating chamber; keeping a second end of said optical fiber outside of the heating chamber; forcing a molten material into the longitudinal hole of the fiber from the first end; and thereupon longitudinally extracting the optical fiber from the heating chamber at a controlled rate. Preferably, the fiber is extracted while molten material is being urged into the fiber.

Abstract: Methods and apparatus for compressing and processing a mat of lignocellulose material into the form of a board are disclosed. The apparatus includes a pair of compression rolls, at least one of which has a perforated shell surface, a channel within that roll for injecting a processing medium into the mat through a restricted sector of the roll, a processing medium supply for the channel including a slide shoe which is sealingly attached to one end of the roll, and the channel includes a number of channels associated with portions of the axial width of the roll so that the processing medium can be supplied through step-wise variable portions of the width of the roll.

Abstract: A method of repairing a vehicle chassis and/or vehicle bodywork which requires the replacement of a damaged vehicle part with a new vehicle part. The vehicle is clamped to a working bench and the new vehicle part (4), which is to be welded in position for instance, is held firmly in a correct position in relation to the vehicle (1) with the aid of bench-coacting holding devices (5, 18). The bench-coacting holding devices (5, 18) include positionally adjustable means (10, 17) which are intended to coact with specific points of the new vehicle part, the positions of these points in space relative to the vehicle being known. In this regard, the positions in space of the positionally adjustable means are set with the aid of separate measuring equipment. The invention also relates to an arrangement for use when carrying out the method.

Abstract: A chain anchor clamp device which secures a vehicle to a straightening bench during a chassis straightening operation. A chain anchor plate is pivotally mounted on a retainer cap releasably connected by bolts to a lock plate slidably receivable in tracks of the bench.

Abstract: An electro-pneumatic signal converter for converting an electrical current signal into a pneumatic pressure, comprising a force balancing system where a magnetic force is balanced against a pneumatic force, consists of a coil (11) through which the electrical signal current flows, a magnetic circuit comprising a core (12) of ferromagnetic material disposed in the coil (11) with a nozzle chamber (14) with a mouth in the form of a nozzle (13) in one end of the core, a flapper (17) of ferromagnetic material over the nozzle and a link (16) of ferromagnetic material which closes the magnetic circuit between the flapper and the opposite end of the core, a feed line (19, 19A, 19B) for a constant flow of feed air into the nozzle chamber (14) and out again through the nozzle (13) into the gap (25) between the nozzle and the flapper, and a pressure-sensing line (24) from the nozzle chamber to a pressure-dependent member (7) to transmit a pneumatic pressure signal from the nozzle chamber to the pressure-dependent member

Abstract: According to the invention, simple measuring apparatus (10) is produced which is designed to ascertain if a so-called spring strut (50) appertaining to the front wheel suspension in a vehicle has been deformed or more specifically if it has been bent, the apparatus being designed to be used primarily on wheels equipped with disc brakes. The apparatus is used in situ, i.e. on a spring strut (50) mounted in place in the vehicle, and it is necessary only for the wheel to be removed, with the tire and rim, so that the disc brake (40) is exposed. The measuring apparatus consists of an upright (12) which is attached to a base part (14, 20) designed to be attached, preferably by means of permanent magnets (24, 26), to the outside of the brake disc (40).