Windmoller Holscher

Windmoeller & Hoelscher Kg

Windmöller & Hölscher Kg

Other

Windmoeller and Hoelscher

Hans-Ludwig Voss

Friedhelm Mundus

Oliver Huil

Ralf Udally

Thomas Hawighorst

Fritz Achelpohl

Konrad Tetenborg

Uwe Kohn

Thomas Knoke

Uwe Köhn

Andreas Schroedter

Holger Frische

Martin Kölker

Jan Thorsten Weber

Ludger Schulten

Martin Koelker

Werner Hassmann

Uwe Koehn

Rüdiger Große-Heitmeyer

Friedrich Goecker

Christian Häger

Jonas Pieper

Rüdiger Grosse-Heitmeyer

Roman Smid

Hans Renken

Andreas Schrodter

Gerd Wockenfuss

Friedrich Göcker

The invention relates to a filling device for filling bags with a respective unsealed upper end and at least two layers lying on top of one another. A filling station for filling the bags in characterised in that the filling device comprises at least one layer movement device () for moving the at least one layer of the bag relative to the at least one second layer, with which the layers of the bag can be acted upon, wherein the layer movement device is arranged in front of the filling station.

Filling device and method for filling bags with a respective unsealed upper end

The invention describes a filling device with a discharge container for filling upwardly open packaging containers with at least one opening flap for opening and closing a discharge opening for the product, the opening flap being moveable along a path between a closed position and an open position by means of a driving element. At least one delay device is provided by means of which the movement of the opening flap may be delayed on a section of the path.

Filling device and method for filling upwardly open packaging containers, and form-fill-seal device

A bag filling plant includes a detection device for detecting a thickened section of a film web associated with an end of a first film and a start of a second film. The detection device includes a first film roll and a second film roll, which contact the film web on side areas aligned opposite each other and which form a conveyer gap for the film web, with the first film roll being movably supported relative to the second film roll in order to alter the conveyer gap. The detection device includes a sensor device that detects a motion of the first conveyer roll.

Detection device for the use in a bag filling plant

The invention relates to an advancing device () for advancing a film web () in a bag filling installation (having a main advancing drive () with at least one driven main advancing roller () for advancing the film web (), wherein for an adjustment of the tensile stress of the film web () in the transport direction (T) of the film web () an auxiliary advancing drive () is disposed before the main advancing drive () with at least one driven auxiliary advancing roller () for advancing the film web ().

Advancing device for advancing a film web in a bag filling installation

A sack is formed by first transverse sealing seams from a foil tube, and is provided with at least a first vent channel, which runs largely parallel to the axis of the film tube, and whose inner film layer has first vent openings for venting of the sack interior into the first vent channel. A second vent channel is provided, which is connected to the first vent channel by second vent openings, and which, in turn, has third vent openings, which vent the at least one second vent channel.

Bag and method for producing the same

Shown is a device and a process for the simultaneous separating and welding of foils or foil tubes () It is inventive that the surface of the absorbing body () turned toward the welding terminal consists of metal.

Separating seam welding device

A device for manufacturing, filling and sealing thermoplastic sacks comprises a station, which comprises a forward draw unit for intermittently pulling forward a web of thermoplastic blown film and for its suspended feed in a vertical direction through a cross welding and cross severing mechanism, which provides the leading end of the blown film web with a cross weld and severs from said web a tubular segment above a gripping and transport mechanism. In order to pass the leading end of the blown film web quickly and without limply withdrawing to one side through the cross weld and cross severing mechanism into a stretched hanging position, there is a wall parallel to the feed path of the blown film web, and above the wall there are in its top region blowing air nozzles, facing the feed direction, between the wall and the feed path.

Device for manufacturing and preferably also for filling and sealing thermoplastic sacks

A system and method for aligning two webs which are pulled off respective supply rolls, at least one of which is elastic in nature, the two webs being joined into a multilayered web. The system includes a first deflecting roller for depositing the elastic web on the second web, and second and third deflecting rollers located between the elastic web supply roll and the first deflecting roller. A traversing roller is located between the second and third deflecting rollers so as to form a loop therewith, a position of the traversing roller being adjustable relative to the second and third deflecting rollers for changing the tension on the elastic web. An alignment between marks on the elastic web and markings on the second web is monitored and, when there is a misalignment, an actuating drive coupled to the traversing roller adjusts the position of the traversing roller in order to change the tension on the elastic web and thereby align the marks and the markings as the webs are joined.

Process and device for the alignment of two webs that are joined together to form a multilayered web

The invention relates to device for manufacturing, filling and sealing thermoplastic sacks that are open on one side. Said device comprises a first welding and severing station for forming the sack with a bottom weld, a filling station and a second welding station for sealing the sack and comprises a first pair of gripping pliers as the pair of transport gripping pliers for accepting the sack at the first welding station; a second pair of gripping pliers that are arranged stationarily at the filling station; and a third pair of gripping pliers as the pair of transport gripping pliers that transport the sack from the filling station to the second welding station. The invention provides a fourth pair of gripping pliers as the pair of transport gripping pliers that accepts the sack from the first pair of transport gripping pliers through the in-line arrangement of a stationary pair of gripping pliers and delivers to the pair of gripping pliers, which are arranged stationarily at the filling station. Said fourth pair of gripping pliers assumes a delivery position to deliver the sack to the pair of gripping pliers that is arranged stationarily at the filling station and that lies in a plane that is higher by a distance (x) than its acceptance position for the sack.

Device for manufacturing, filling and sealing sacks

Mounted in a frame is a welding cylinder, which is provided with a rotary drive and welding bars, which are distributed at uniform angular distances over the circumference, run parallel to the axis of rotation, can be adjusted continuously in their radial direction by means of their supports, and can be moved in and out in the radial direction relative to their supports for the purpose of activation and deactivation. For the purpose of identifying the respective welding bar, which has executed a specific weld on a film tube passing through, an embossing die, which provides the welded web with a distinct marking, characterizing the welding bar, which has executed the respective weld, is mounted in the circumferential direction in front of or behind each welding bar.

Welding cylinder

An apparatus for sealing superposed film webs or flat lying tubular webs of a thermoplastic synthetic material, including sealing bars heatable by heating appliances, which are displaceable towards each other and away from each other and over whose front surfaces there can be spread a separating sheet of a material not sticking to the synthetic material.

Apparatus for sealing film webs of a thermoplastic synthetic material

An apparatus for providing transverse weld seams and transverse detaching cuts or for providing detaching weld seams on a tubular or semi-tubular web of thermoplastic synthetic resin, and for stacking the detached sections includes a transverse welding and transverse detaching station for detaching sections having bottom weld seams and any leading head weld seams from the web and a stacking station for retaining or fixing the supplied sections. The web is moved intermittently. To cool the trailing weld seams of the sections without causing the sections to stick together adjacent to the bottom weld seams during stacking, a drum is provided which rotates about a transverse axis between the transverse welding and transverse detaching station and the stacking station. The wall of the drum includes at least two wall parts. The drum is adapted to be driven in step with the welding process by rotating the drum through an angular increment related to the number of wall parts of the drum in each revolution. In synchronization with stacking the cut sections at the stacking station, a path is formed for allowing the web to be pushed through gaps between the wall parts of the drum between the transverse welding and the transverse detaching station and the stacking station.

Apparatus for detaching pieces of tube provided with transverse weld

The invention relates to a method for making bags preferably provided with side folds or other flat workpieces, which have a slip extending beyond their boundary. In accordance with the invention partly prefabricated bags are laterally supplied to a conveyor belt driven in a timed manner, and are seized there by grippers and fixed. By means of a glue applicator a glue strip is applied to the bag in its bottom region during the timed feeding movement of the conveyor belt. Finally, in a slip application station a slip is supplied each laterally to the conveyor belt and is placed onto the glue surface. The invention furthermore relates to an apparatus for carrying out the aforementioned method.

Method for making bags and an apparatus for carrying out this method

An apparatus for welding webs of synthetic thermoplastic material as they move around a deflecting roller comprises an elongate housing, which is movable toward the deflecting roller to assume a position in which said housing is approximately concentric to said roller and closely surrounds said roller around a part of its periphery, and said housing is provided with at least one longitudinally extending hot-air duct, which is curved in the same sense as the housing and is provided with an inlet for receiving flowing hot air and is formed with a plurality of outlet bores or gaps in that wall of the housing which faces the deflecting roller. In order to minimize heat losses, the housing contains a second passage, which approximately concentrically surrounds the hot-air passage and contains an elongate heating element, and the second passage adjacent to one end thereof is provided with an inlet opening for receiving flowing air and adjacent to its opposite end is provided with an opening or line through which the second passage communicates with the hot-air passage.

Apparatus for welding multiply webs of synthetic thermoplastic material

A welding apparatus for welding flat webs or web sections made of synthetic thermoplastics comprises two parallel welding bars, which are adapted to be raised and lowered relative to each other, and tensioned strips of polytetrafluoroethylene, preferably strips of polytetrafluoroethylene which are reinforced by glass fiber woven fabrics, which strips cover said welding bars and are fixed on rolls, which are disposed beyond opposite ends of each welding bar and serve to wind up and unwind said tensioned strips. The rolls are movably mounted beyond opposite ends of the welding bars on axles extending transversely to said welding bars.

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Tecklenburg, Germany

Hans-Ludwig Voss