PURPOSE:To seal products tight and attain a high-speed packaging by a method wherein a strip film is formed into a tubular shape, products are fed into the tubular film, the tubular film undergoes center and end sealing, and both edges of packaged bags are raised and inserted into each other. CONSTITUTION:A film feeder 12 supplies a strip film F from a roll mount 13 by a delivery roller 14, etc. A...

A plastics profile strip (12,13) for a reclosable fastener for a bag has a male/female portion and a flange (30,31). At least part of the flange is treated by a corona discharge or flame to make it more resistant to welding itself to a co-operating profile strip.

The device comprises a mechanical feeding device (6) which grips the end (30) of the paper and presses it onto the end face of the product to be sliced (e.g. sausage or cheese).

A suspension device (1) for holding a curved photographic backdrop (7) to an upright (5) comprises an elongate tube split along its length to form two portions (2, 3) which are hinged together to move between open and closed positions, whereby a supporting bar (17) of a backdrop (8) may be held between the tube portions (2, 3), and includes means for attaching or securing one of the portions to th...

An anti-fogging film has a multilayer structure comprising at least two layers of a cured film formed on a substrate. The cured film contains as main components (A) polyvinyl alcohol and (B) at least one member selected from (a) colloidal silica having an average particle size of 5 to 200 m mu (b) an organic silicon compound of the formula R<1>R<2>aSiX3-a in which R<1> is an organic group having 1...

This invention is directed to a method for producing colored glazes having controlled textures, the method comprising the following steps: (a) a first frit containing a colorant is prepared; (b) a slip of that frit is applied to a glass-ceramic body and dried; (c) a second frit either containing another colorant or being colorless is prepared; (d) a slip of that frit is applied atop the laye...

In the process, the untreated gas flowing out of the pressurised combustion chamber is, if the temperature is above the ash fusion temperature, first of all cooled to below the ash fusion point but above the gas-turbine inlet temperature by means of recirculated exhaust gas and/or air and/or oxygen, is then cooled further with heat being released to the clean gas and by the addition of recirculate...

PCT No. PCT/EP93/02827 Sec. 371 Date Jun. 6, 1995 Sec. 102(e) Date Jun. 6, 1995 PCT Filed Oct. 13, 1993 PCT Pub. No. WO94/08684 PCT Pub. Date Apr. 28, 1994The invention relates to an apparatus for recovery and buffer exchange and/or concentration of dissolved macromolecules from a mixture of macromolecules. The apparatus includes a liquid chromatography unit and at least one hollow fiber membrane ...

A powder-metallurgy-produced, essentially titanium-free, nickel-containing maraging steel article such as for use in the manufacture of die casting die components and other hot work tooling components. The article preferably contains an intentional addition of niobium. The article may be produced as a hot-isostatically-compacted, solution annealed, fully dense mass of prealloyed particles, or alte...

An apparatus for preventing an unwinding of a roving end from a full package roving bobbin (4) during the transportation thereof. This apparatus is constructed in combination with the transportation mechanism formed in the known doffing mechanism or known overhead roving bobbin transportation system, in a condition such that a part of the constitutional mechanical elements of such known transporta...

The utility model discloses a plastic-film solar water-heater and is composed of a water storage bag and a water inlet and a water outlet which are arranged on the water storage bag. The water storage bag is arranged in a frame whose outer side is sheathed with a heat-insulating layer, the water temperature of the water which is arranged in the water storage bag can rise under the action of sunlig...

The split-type solar air conditioner uses lithium bromide solution in solar boiler with gradient temp.-rise as heat-absorbing medium, which then goes into concentrated liquid regenerator to separate it into gas and liquid phases. The steam vapour flows through coiled pipe of tri-flow heat exchanger for cooling by water, and cooling water may be used as daily-use hot water. Cooled liquid vapor is l...

PURPOSE:To provide aesthetically excellent dental materials which resist corrosion and discoloring and are not conspicuous and broken by surface treating conventional alloys. CONSTITUTION:A dental bracket and a dental steel wire 1 which serve as dental materials use stainless steel 2. The surface of the stainless steel is plated with three layers of single metals comprising silver 3, platinum 4 an...

A safety ski binding having a sole plate which is pivotally supported on a ski-fixed pivot pin in a horizontal plane, however, is secured against lifting off from the ski. The sole plate has a front jaw at its front end and a heel holder provided with a housing at its rear end. The heel holder has a sole holder which is pivotal upwardly about a transversely extending axle on the housing against th...

The invention relates to a process for the production of cellular polyurethane mouldings, preferably sheet-like structures having a thickness of up to 25 mm, which optionally have a smooth, essentially compact surface on at least one side, by sintering a mixture containing A) at least one pulverulent thermoplastic polyurethane which expediently has a melt flow index (MFI) of from 50 to 350 at 19...

A process of producing a thermoplastic polyester series resin foamed material is disclosed, which comprises heating and further foaming a thermoplastic polyester resin foamed material having a crystallinity of not higher than 30% by bringing into contact with water or steam of at least 60 DEG C and then heating the foamed material by bringing into contact with a heating medium other than water of ...

A rigid polyurethane foam obtained by foaming a special polyol component and an isocyanate component in the presence of a blowing agent comprising water and at least one member selected from the group consisting of 1,1-dichloro-2,2,2-trifluoroethane and 2,2-dichloro-2-monofluoroethane possesses balanced excellent properties, has no surface void, and shows only slight expansion after molding. There...

The invention relates to a hard-metal or ceramic blank, and to a method and an extrusion tool for its manufacture. The invention provides that the blank is extruded through a die, the die (1) having on its inner wall surface (2) a number of sliding surfaces (3) which cross-sectionally complement one another to form a polygon (4), which sliding surfaces (3) follow a twisted path over the length of ...

The tread pattern of a tyre is defined by an assembly of adjacent laminates (1) oriented transversally in the mould from one shoulder to the other and following ore next to the other circumferentially. Each laminate (1) consists of two pieces separated in their centre by a small distance (e) in the form of a leaf spring. The mould pattern is defined by charging depths of the laminates. The surface...

Den einzelnen Streckenabschnitten (6 bis 17) des Streckennetzes (4) werden fahrzeugindividuelle Belegungszeitrahmen (R107, R207) zugeordnet, deren Überlappungsgrad (φ) ermittelt wird. Durch Auswertung der Überlappungsgrade für benachbarte Streckenabschnitte wird ein Konfliktfall (ALK) erkannt und nach vorgegebenen Konfliktfallmustern (ALK,EFK) klassifiziert, denen Konfliktlösungsmaßnahmen (M1 bis ...