1
Heinz Schippers, Siegfried Hertell: Control apparatus for a positive displacement reciprocating pump. Barmag Barmer Maschinenfabrik, Bell Seltzer Park & Gibson, March 10, 1987: US04648810 (55 worldwide citation)

A positive displacement reciprocating pump for conveying a liquid or gaseous fluid is disclosed and which comprises a fluid enclosure having a movable piston means mounted therein which sealably divides the enclosure into a pumping chamber on one side and an actuating chamber on the other side. The ...


2
Heinz Schippers, Werner Branscheid, Erich Lenk, Udo Hardt: Exhaust gas turbocharger. Barmag Barmer Maschinenfabrik, Bell Seltzer Park & Gibson, December 21, 1982: US04364717 (44 worldwide citation)

An apparatus for turbocharging an internal combustion engine, and which is characterized by the ability to avoid excessive heat transfer to the bearings and any other heat sensitive components. In the preferred embodiment, the lubricating oil for the bearings in the turbocharger housing is directed ...


3
Heinz Schippers, Gerhard Martens, Karl Werner Frolich: Method and apparaus for centrally collecting measured values. Barmag, Bell Seltzer Park & Gibson, January 19, 1988: US04720806 (42 worldwide citation)

A method and apparatus to centrally collect measured values of a variable parameter from each of a plurality of work stations, and so as to facilitate quality control. Each work stations includes a sensor for generating an output signal which is a function of the variable parameter, and the output s ...


4
Heinz Schippers, Friedhelm Hensen, DE, Erich Lenk: Screw extruder for processing thermoplastic materials. Barmag Barmer Maschinenfabrik Aktiengesellschaft, Johnston Root OKeeffe Keil Thompson & Shurtleff, October 31, 1972: US3701512 (33 worldwide citation)

A screw extruder for processing thermoplastic materials, e.g. high molecular weight polymers, in which the spiral worm passage formed by a conveying screw is subdivided into two compartments of different and oppositely varying cross-section by an intermediate shearing screw having a radial clearance ...


5
Heinz Schippers: Process for the production of a multifilament texturized yarn. Barmag Barmer Maschinenfabrik Aktiengesellschaft, Johnston Keil Thompson & Shurtleff, April 26, 1977: US04019311 (32 worldwide citation)

A process for the production of a multifilament textured yarn by melt-spinning different polymers (for example a polyamide and a polyester) or copolymers (for example copolymers of nylon-6 and nylon-6,6) to form a highly preoriented multifilament yarn at substantially the same draw-off rate for all ...


6
Heinz Schippers: Process for extruding a partially foamed thermoplastic product. Barmag Barmer Maschinenfabrik Aktiengesellschaft, Johnston Keil Thompson & Shurtleff, May 11, 1976: US03956438 (32 worldwide citation)

Process for producing a partially foamed thermoplastic polymer product in a single screw extruder by dividing an initial melt stream of the polymer into separate partial melt streams conveyed individually by the extruder to a shaping or forming die, uniformly mixing a foaming agent with at least one ...


7
Heinz Schippers, Erich Lenk, Manfred Mayer, Hans Jochen Busch, Hermann Bremer: Winding machines with contact roller control device. Barmag Barmer Maschinenfabrik Aktiengesellschaft, Keil Thompson & Shurtleff, August 15, 1978: US04106710 (29 worldwide citation)

Winding machines having a traversing member, a contact roller, said roller or a winding tube chuck being mounted on a linearly movable carriage moved by piston-cylinder members, pneumatically operated control systems connected with said piston-cylinder members to move said carriage horizontally or v ...


8
Heinz Schippers, Norbert Hufer, Gerd Munnekehoff, Udo Teich: Bobbin changing apparatus. Barmag Barmer Maschinenfabrik, Bell Seltzer Park & Gibson, July 20, 1982: US04340187 (28 worldwide citation)

A bobbin changing apparatus is provided which is adapted for use in association with a textile yarn processing machine having a plurality of winding stations, and wherein the apparatus comprises a thread operating carriage and a separate doffing carriage, which are mounted for independent movement o ...


9
Peter Dammann, Heinz Schippers, Herbert Turk, Herbert Schiminski: Yarn spinning apparatus and process. Barmag Barmer Maschinenfabrik Aktiengesellschaft, Keil Thompson & Shurtleff, December 26, 1978: US04130983 (28 worldwide citation)

Yarn spinning machinery and process utilizing a pair of perforated sieve belts, cylindrical sieve drums or hyperboloid sieve drums for twisting staple fibres at a line of yarn formation wherein the sieve members are moving in opposite directions while air currents are drawn through the sieve members ...


10
Heinz Schippers, Gerd Munnekehoff, Udo Teich: Bobbin transport apparatus and method. Barmag Barmer Maschinenfabrik, Bell Seltzer Park & Gibson, September 28, 1982: US04351494 (26 worldwide citation)

A bobbin transport apparatus and method is provided which is adapted for use with a textile yarn processing machine having a plurality of yarn winding stations along at least one side thereof. The transport apparatus includes a movable carriage having a mandrel for receiving the full bobbins from th ...