Two optical fiber segments are spliced in an end-to-end fashion by first axially aligning the optical fiber segments, and then fusing the optical fiber segments with a converging conical light beam convergently focused to an apex region along the optical fiber. The converging conical beam heats the optical fiber segments and the splice in a circumferentially uniform manner. The apex region at whic...

To reduce the occurrence of false alarms, the disclosed system incorporates an auxiliary sensor (8) for detecting the presence of a shopper passing through the electronic article surveillance device (1), such that the device is operated continuously, and the auxiliary sensor (8) is used to enable external alarms of the device only upon detecting the shopper's presence. Thus, while the device conti...

An assembly station has at least two skewers (4,5) mounted on a positioner (1) to make doner kebabs from meat in the form of slices (23) and minced meat (24). One device (6) applies the slices of meat, and another device (7) distributes the mince. The positioner transfers the skewers between a station for applying slices (23) and a station for applying mince (24). Pref. the device has a rotating t...

Fremgangsmåte og innretning foruavbrutt produksjon av plateblokker avpreekspandert polyuretanskum. De reak-tive polyuretankomponenter blir blandetunder trykk med et lavtkokende blåsemid-del i flytende tilstand. Skumming avblandingen startes ved å blåse blandin-gen kontinuerlig inn i en skummingsinn-retning (10) som omfatter et trykkutjev-ningskammer (13) og en trykkfallssone(17, 31, 32) som strekk...

Un procedimento ed una apparecchiatura per la produzione in continuo di blocchi di schiuma poliuretanica pre - espansa. I componenti poliuretanici reattivi vengono miscelati, sotto pressione, con un agente di espansione basso bollente mantenuto allo stato liquido; la miscela risultante viene fatta pre - espandere alimentandola, in continuo, in una cavità di frothizzazione attraverso una feritoia a...

An apparatus for the suppression of electromagnetic emissions from an electronic device. The apparatus includes a die cast metallic container having a continuous wall, a shoulder formed on the continuous wall, a plurality of rounded corners, and a neck portion. The neck portion and shoulder mate with a deep drawn metallic cap. A source of electromagnetic emissions is disposed in the interior space...

A packaging material comprises a film, based on a polymer contg. polyamide blocks and polyether blocks, which is permeable to water vapour, ethylene, CO2 and O2. Permeability to CO2 is much greater than that to O2.

A method for scavenging hydrogen sulfide in an aqueous and/or hydrocarbon medium is disclosed. According to the method, the medium is contacted with an effective amount of an amidine selected from the group consisting of monoamidines of from 1 to about 18 carbon atoms and polyamidines comprising from 2 to 3 amidine groups of from 1 to about 18 carbon atoms per amidine group.

A magnetic marker which comprises a flexible organic polymer substrate having an anisotropic thermal shrinking property and a soft magnetic thin film having uniaxial magnetic anisotropy. The angle formed between the direction in which the organic polymer substrate has the highest degree of thermal shrinkage and the direction of magnetic easy axis in the soft magnetic thin film is in the range from...

An additive is provided that comprises a single blend of an acid component and calcium stearate for simultaneously controlling both primary and secondary efflorescence in concrete, and particularly in concrete masonry units such as pavers. A preferred method comprises the steps of partially saponifying tall oil fatty acid with calcium hydroxide, and thereafter adding calcium stearate dispersion to...

The invention relates to an arrangement for combining at least two user services for the same subscription for a digital communication network that is connected to an analog communication network. At least one of the services has a service user number that is common for all users that subscribe to the service. Calls with each service user number are directed to a service unit (1). Virtual numbers ...

Impregnation of masonry to make it water repellant is effected in 2 steps by: (1) treating with a highly dispersed aq. emulsion of (A) (i) an organoalkoxysilane and/or (A), (ii) alkoxy gp.-contg. organosiloxane and (B) salts of water-soluble (in)organic acids and organopolysiloxanes, there being siloxane units monovalently attached to SiC gps. contg. basic N such that there is at least 0.5 wt.% ba...

Clathrates (I) of N-ethoxycarbonyl-3- morpholino-sydnonimine (II) or its salts with cyclodextrin derivs. (III) are new. N.B., cpds. (III) include unsubstd. beta- and gamma-cyclodextrins. (II) is an anti-angina and anti-ischaemic agent (molsidomin) useful for prevention and treatment of angina pectoris. It also has antiarrhythmic, fibrinolytic, platelet aggregation inhibitory and hypotensive activi...

Concrete or mortar is sprayed onto a surface by adding an aqueous suspension of silica, and an aluminium cpd. selected from aluminium sulphate, basic aluminium sulphate, alkali metal aluminium sulphate or their mixts.. The suspension has a pH of less than 4, and contains 10-50 wt.% dry material. After storing for 48 hrs., it forms a gel which can be converted back into a suspension by mild stirrin...

An improved water loss control additive for hydraulic cements, particularly hydraulic cements used in subterranean well bore cementing operations, is disclosed. The additive comprises an aqueous solution comprising a tetrapolymer of N-vinyl-2-pyrrolidone, acrylamide and/or methacrylamide, sodium 2-acrylamido-2-methylpropane sulfonate and/or 2-acrylamido-2-methylpropane sulfonic acid, and acrylic a...

PCT No. PCT/EP93/02964 Sec. 371 Date May 22, 1995 Sec. 102(e) Date May 22, 1995 PCT Filed Oct. 29, 1993 PCT Pub. No. WO94/09915 PCT Pub. Date May 11, 1994The invention relates to a process for the production of a multicoat finish, in which a pigmented basecoat is applied, dried and coated over with a powder clearcoat, and subsequently basecoat and powder clearcoat are stoved together. The inventio...

PCT No. PCT/EP95/01360 Sec. 371 Date Oct. 10, 1996 Sec. 102(e) Date Oct. 10, 1996 PCT Filed Apr. 12, 1995 PCT Pub. No. WO95/28362 PCT Pub. Date Oct. 26, 1995The fluidity characteristics of cementitious compositions may be rapidly altered by the addition thereto of an aqueous dispersion of at least one comb polymer which comprises carboxylic moieties. The invention works especially well when the po...

The controller has a gauge which is fixed at one end of a central body and at the other end another gauge is fixed covering a second measurement area. A first gauge section measures the greatest mesh width and a second section measures the absolute greatest mesh width. The gauge (21) has a third section measuring max. average mesh width (n + y), a fourth section measuring min. average mesh width (...