摘要:
The present invention relates to a valve having a valve housing (2) and a longitudinally movable valve body (1) arranged therein, the valve housing comprising at least two guide grooves (3) into which auxiliary guide means (4) arranged on the valve body engage from the outside. The guide grooves are shaped such that they define a combined translatory and rotary movement of the valve body with the aid of the auxiliary guide means to open or close the valve.
摘要:
Device (1) and method for aseptic connection and separation of connections between two containers (2, 3), wherein a coupling connector (4) has first and second connector parts (8, 9) which can be coupled to each other via corresponding coupling parts (10, 11), and the connector parts (8, 9), at their ends directed away from the coupling parts (10, 11), each communicate with a part (5) of a sterile connector (6), and the connector parts (8, 9), in the coupled state, are surrounded by a tubular film (7) which, at its ends directed towards the sterile connectors (6), is sealed off with respect to the connector parts (8, 9) or with respect to connection hoses (12) connected to the connector parts (8, 9) or with respect to the parts (5) of the sterile connectors (6) and, at the connection site (14) of the coupling parts (10, 11), forms a circumferential fold (15) which permits sealing of the coupling connector (4) when the connector parts (8, 9) are uncoupled and spaced apart.
摘要:
The invention relates to a filter module (1) with a housing (2) formed from a plastic and with a filter (3) which is arranged in the housing (2) and is made from a plastic, wherein the housing (2) is adhesively bonded to the filter (3) by means of an adhesive (15) via a first adhesive surface (7, 18) made from a first plastic and via a second adhesive surface (14, 19, 21) made from a second plastic. The invention is distinguished in that the adhesive bonding of the first adhesive surface (7, 18) and of the second adhesive surface (14, 19, 21) via an intermediate piece (10, 20) to the adhesive surfaces (14, 18, 21) is formed from a plastic which is identical to or different from the first plastic, and in that at least one of the adhesive surfaces (7, 18, 19, 14, 21) has been activated by plasma or corona pre-treatment prior to the adhesive bonding.
摘要:
The invention relates to an adapter for fastening a filter element in a cylindrical receiving opening of a bottom part of a lower piece of a filter housing. Said adapter comprises at least one seal that is arranged in a peripheral groove on the circumference of the adapter in order to fluid-tightly separate a filtrate-free chamber, which surrounds the external jacket of the filter and from which medium to be filtered can be delivered to the filter, from a filtrate chamber into which the filtrate can be introduced from the filter. The seal is injection-molded in a connecting manner onto a base area of the peripheral groove and is located at a distance from at least one sidewall of the groove, said sidewall delimiting the base area.
摘要:
The invention relates to a device for cultivating cells in a bioreactor, the exhaust air duct of which that leads out of the interior of the reactor has an exhaust air filter comprising a sterile filtering micro-filter membrane. At least one pre-filter comprising a hydrophobic filter material is mounted upstream of the exhaust air filter, said pre-filter facing the reactor interior.
摘要:
The invention relates to a filter for filtering media, having a pleated, cylindrical filter element which is arranged between a perforated cylindrical backflow prevention device and a perforated cylindrical core, wherein the filter element is arranged in pleated folds, wherein a plurality of folds have a first fold height which is greater than the difference between the radius of the backflow prevention device and the radius of the core, said folds being inclined, in a manner directed away from the outer surface of the core, at an inclination angle in each case with respect to a radial line, wherein a plurality of folds at least of a second, shorter fold height are provided and wherein the folds of the second, shorter fold height are arranged adjacent to the backflow prevention device radially towards the outside and adjacent in an alternating manner to the folds of the first fold height.