I.m.a. Industria Macchine Automatiche S.p.a.

Kilian & Co. Gmbh

Hoechst Aktiengesellschaft

Hans Kramer

Roberto Trebbi

Franz-Josef Dany

Joachim Kandler

Werner Gohla

Gerhard Kalteyer

A tablet press machine () comprises: a hopper () for feeding a powder or granular product () to a first disc () that rotates about an axis (X) and is equipped with evenly distributed holes or dies (); a second and third disc () that are positioned above and below the first disc (), respectively, rotate about the axis (X) and support respective pluralities of upper and lower reciprocating punches (). The punches () are driven towards and away from each other when they are aligned with the dies () in such a way as to compress the product (). Each of the punches () comprises a cylindrical shank (), one end of which is equipped with a working head () and sealed protection means () acting on the cylindrical shank () itself. The sealed protection means () comprise, for each punch (), a concertinaed sleeve () covering the cylindrical shank () and having an annular portion () constituting its far end relative to the working head (), forming an annular seal and providing also a removable element used to attach support means () that protrude from the respective disc (). The near end () of each concertinaed sleeve () relative to the working head () presents an enlarged annular portion () that engages with a matching annular groove () in the cylindrical shank () to provide a tight seal.

Tablet press machine

A tablet press machine () includes a fixed casing () which houses a compression assembly () comprising a power-driven rotor () that rotates about an axis (), the rotor including a matrix disc () and another two discs () on both sides of it, mounting two sets of reciprocating punches () opposite and aligned with each other in pairs. The matrix disc () has a plurality of through matrixes () where the reciprocating punches () forming each pair are mounted in such a way as to delimit between them an empty space () of variably size designed to contain a dosed quantity of powder to be compressed. Two sets of cams () are associated with the compression assembly () and, as the rotor () rotates, impart on the punches () a driving motion which moves them cyclically towards and away from each other in such a way as to compress the powder contained in the matrix () in the matrix disc (). The casing () comprises, inside it, sealed separating means () desigend to delimit separate spaces () for housing the compression assembly () and the sets of cams () in order to prevent the powdered  product from contaminating the cams.

A rotary tablet press has upper rams (18) and lower rams (19) which are sealed off from the mould shelf (15) of the press by respective intermediate walls (28) in which all the rams (18,19 respectively) are clamped at their head ends to the free ends of individual sleeves (45), with the other ends of these sleeves being secured to the edges (44) of circular apertures (43) formed in the intermediate walls. These circular apertures (43) surrounding the ram shanks (20) with a spacing, so that the intermediate walls (28) are not stretched when the rams (18 and 19) carry out upward and downward movements.

Rotary tablet press

A detergent containing 5 to 50% by weight of at least one surfactant, 0.5 to 60% by weight of a matrix substance and also standard laundry aids, contains as matrix substance an amorphous, low-water sodium disilicate having a water content of 0.3 to 6% by weight which has preferably been produced by partial dehydration of commercially available powdered amorphous sodium disilicate having a water content of 15 to 23% by weight.

Detergent containing sodium disilicate having a water content of 0.3 to

A tablet press with a mould table and with multi-part rams whose movable ram parts slide along a stationary ram part having an internal hollow space connectable periodically to a suction device which removes, by suction mouldable material, dust which has penetrated in the interior of the movable ram, thus preventing the ram from being blocked with multiple material dust and making frequent cleaning and servicing of rams necessary.

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Kö'ln, Germany

Hans Kramer