Abstract: The present invention relates to an irradiation device having a radiation source and a filter which is arranged in the optical path and has two transparent filter disks which are substantially arranged in parallel with each other and which are held with their surrounding edges in a frame made of a material of good heat conduction, the filter disks and the frame defining a closed cavity which has provided therein a medium which selectively influences the radiation spectrum.

Abstract: Shaker for liquids, especially dairy products such as half-and-half cream and milk. In known shakers cocktails are mixed by pouring different liquids into a bowl which has then inserted thereinto a bowl-shaped sifter filled with solids such as ice, lemon slices or cocoa. Although the ingredients of the cocktail are finely mixed with one another without lumping by shaking said shaker along its longitudinal axis, it is not possible to foam the liquids. The novel shaker makes it possible to foam liquid foodstuffs, especially milk, by simply shaking the same. The shaker is designed for foaming purposes in that a separation sifter is arranged in a direction substantially transverse to the vertical axis of the shaker so that the total volume of the closed bowl is subdivided by the separation sifter in a ratio of 2:1. The shaker is particularly suited for preparing cappuccino cream.

Abstract: An espresso brewing head unit comprises a potshaped coffee receptacle in which a filter plate with coffee discharge openings is provided. A lateral wall of the coffee receptacle and the filter plate define the filling volume of the coffee receptacle so that portioning is substantially predetermined. For varying the filling volume, the filter plate is additionally arranged such that it is displaceable relative to the lateral wall of the coffee receptacle.

Abstract: The present invention relates to an espresso brewing-head unit comprising locking member for detachable attachment to a brewing unit of an espresso machine. A filter for an espresso machine is meant to be improved in a general manner. To this end, the espresso brewing-head unit comprises a pot-shaped coffee receiving container consisting of a plastic material, whose bottom is provided with a filter plate having coffee exit openings and whose upper edge portion in the side wall has firmly embedded therein a substantially surrounding reinforcement ring of a stable material, preferably metal, the reinforcement ring comprising attachment portions which are part of the locking member.

Abstract: A radiation apparatus comprising a radiation source and a filter arranged in an optical path, said filter comprising two transparent filter discs which are arranged substantially in plane-parallel fashion relative to each other and which are held with their surrounding edges in a frame made of a material of good heat conduction, the filter discs and the frame defining a closed cavity which has provided therein a medium for selectively influencing the radiation spectrum. The frame is divided substantially in a direction transverse to the filter axis into first and second frame halves in such a manner that the one filter disc is arranged on the first frame half at the side facing the cavity and the other filter disc is arranged on the second frame half at the side facing the cavity.

Abstract: The present invention relates to a method and an apparatus for electrostatically precipitating suspended matter from a gas flow, wherein a precipitation electrode which is flown through by the gas flow is provided in the form of a perforated plate behind an ionization source in the direction of flow. The perforated plate has openings which are tapered on their edges in the manner of cutting edges towards the opening.

Abstract: The present invention relates to a permanent espresso filter insert for insertion into an espresso machine, the insert comprising a substantially flat filter disc which is penetrated by a plurality of filter openings substantially in the flow direction of the medium to be filtered, with a perforated disc being designed and arranged downstream of the filter disc in flow direction in such a manner that the medium to be filtered is swirled and deflected to an increased extent. With the permanent espresso filter insert of the invention, it is possible to improve the formation of the head or cream also in espresso machines having low working pressures.

Abstract: The present invention relates to a pot-shaped permanent filter insert for use in an espresso machine, the insert comprising a filter base plate which substantially forms the bottom of the pot and is penetrated by a plurality of filter openings substantially in the flow direction of the medium to be filtered and comprises a frame surrounding the filter base plate, and a pot wall which is substantially arranged on the edge of the filter base plate and transversely extends away from the filter base plate to form a coffee receiving portion, the permanent filter insert being made of a plurality of parts in that the lower edge portion of the pot wall is substantially secured to the outer edge of the filter base plate. Furthermore, the lower edge portion of the pot wall and the filter base plate are interconnected by an injection-molded plastic connection, a frame being injection-molded substantially around the outer edge of the filter base plate, interconnecting the frame and the filter base plate and the pot wall.

Abstract: The invention relates to an assembly kit for a filter coffee maker as an attachment to an electrical espresso machine, which is adapted to make filter coffee of good taste in simple manner.

Abstract: In an infrared radiation lamp, the optical path has provided therein a cuvette which is filled with a liquid containing water and a fungicidal agent. The cuvette consists of two opposite transparent panes and a casing receiving said panes. The liquid inside the cuvette is a buffer solution with a pH of 7, preferably based on phosphate.

Abstract: The present invention relates to a method of producing a filter material and to a filter material produced by the described method. The method comprises the steps of providing a substrate and forming an electrically conductive structure on the substrate. Electrical insulating, fiber-like flock rods are then anchored to the substrate. A metal layer is then formed over the substrate and around the flock rods by electrodepositing. The substrate is separated from the electrodeposited metal layer and the flock rods are removed from the electrodeposited metal layer to produce a metal filter with microapertures traversing the thickness of the filter.

Abstract: A method of producing a flat, reinforced article with micro-openings is described wherein at least one reinforcing layer is applied to a basic layer. To be able to carry out such a method in an easy and inexpensive way, the following steps should be taken: Coating a prefabricated basic layer at both sides with a radiosensitive resist in such a way that the resist fills the micro-openings, irradiating the basic layer provided with the resist from one side in such a way that the radiation passes through the resist in the micro-openings, removing the resist from the basic-layer regions to be provided with the reinforcing layer, applying the reinforcing layer and subsequently removing the remaining resist.

Abstract: An irradiation device which includes a radiation source arranged within a housing and a filter arranged in the ray path of the radiation source which consists of two transparent, essentially plane-parallel discs. The discs are held in a frame and a medium which selectively influences the spectrum of the rays of the radiation source is provided between the discs. A plurality of outwardly projecting cooling fins are arranged on the outer circumference of the frame and serve in conjunction with the medium between the disc and the frame to dissipate heat from the medium.

Abstract: In a box-type plastic frame having longitudinal strut portions in which a vaulted shearing foil is embedded and transverse strut portions made of a resilient material in order to facilitate the insertion of the plastic frame shearing foil unit into a shearing head casing member.

Abstract: A metal filter foil has elongated slits forming the filter openings. The slits are arranged in a plurality of groups. In each group the slits are parallel to one another, and the slits of different groups form an angle with one another.