Gunther Heisskanaltechnik Gmbh

Other

Guenther Heisskanaltechnik Gmbh

Siegrid Sommer

Torsten Schnell

Herbert Günther

Herbert Gunther

Frederic Zimmermann

Herbert Guenther

Ralf Drössler

Frédéric Zimmermann

Uwe Partsch

Marco Kwiatkowski

Christel Kretzschmar

Stefan Sommer

Herbert GÜNTHER

Ralf Droessler

A manifold device for an injection-molding nozzle for an injection-molding tool has a main manifold channel for an injection-molding compound, which main manifold channel extends from an inlet opening into the manifold device as far as at least two transfer openings, and at least two manifold channels for the injection-molding compound, which manifold channels each extend from a transfer opening to an outlet opening and are each fluidically connected by a transfer opening to the main manifold channel. Also disclosed are an injection-molding nozzle with such a manifold device and an injection-molding tool with such an injection-molding nozzle.

Manifold device for an injection molding nozzle, injection molding nozzle with manifold device and injection molding tool with injection molding nozzle and manifold device

Disclosed is a guide bushing for the guiding and sealing of a closing needle of a needle valve nozzle of an injection moulding apparatus, the guide bushing having a main part and a fastening element, wherein the main part has a through-opening for the closing needle, wherein the through-opening comprises at least one guiding portion, which encloses the closing needle with slight movement play, wherein the through-opening comprises at least two expansion portions, whose diameter in each case is larger than that of the at least one guiding portion. The guide bushing moreover comprises a fastening element, which is securable to the main part, wherein a seal element is arranged between the fastening element and the main part, bearing against the entire circumference of a closing needle inserted into the through-opening.

Guide bushing for an injection moulding apparatus

A heating element for flow channel heating or for heating a mould impression and an injection-moulding nozzle incorporating the heating element are disclosed. The heating element has a carrier element which carries a heating conductor with first and second connection pins, and a connection device with an electrical connection cable with first and second conductors. The first and second connection pins end in an insulator. The insulator is arranged at least in certain portions in a receiving sleeve of the connection device, and the receiving sleeve points with a first end in the direction of the carrier element, is fixed with the first end on the carrier element and fixes the insulator in relation to the carrier element. A first crimping sleeve is fixed on the first connection pin and the first conductor, and a second crimping sleeve is fixed on the second connection pin and the second conductor.

Heating element for a flow channel or a mould impression and injection-moulding nozzle with such a heating element

The invention relates to a thermocouple for sensing the temperature at a measurement point, comprising a first conductor that has a first end and a first terminal, and a second conductor that has a second end and a second terminal. The first end of the first conductor and the second end of the second conductor are in electric contact with one another at the measurement point, while the first terminal of the first conductor and the second terminal of the second conductor can each be connected to a terminal line. The first conductor and the second conductor are applied to a substrate using thick-film technology, the first end of the first conductor and the second end of the second conductor overlapping in at least some sections at the measurement point. A hot runner nozzle has a heater and a thermocouple according to the invention.

Thermocouple with a heater on a substrate

A nozzle mouthpiece for an injection molding nozzle for use in an injection molding tool and for processing a fluid mass has a flow channel having an inlet opening and an outlet opening. A first sealing surface is formed radially with respect to a longitudinal axis. A stop surface is arranged between the first sealing surface and the outlet opening and is aligned perpendicular to the longitudinal axis and facing the outlet opening. A a coupling means is arranged radially with respect to the longitudinal axis for fixing the nozzle mouthpiece in a mold sprue opening of a pattern plate. An injection molding nozzle and an injection molding tool is provided having such the telescopic nozzle mouthpiece, which can be fixed in a mold sprue opening of a pattern plate.

Nozzle mouthpiece for an injection molding nozzle, injection molding nozzle and injection molding tool

A component part for an injection molding tool comprises a distributor that includes the first distributor plate, with a top side and underside. The component part has at least two material pipes that are aligned crosswise in relation to the underside of the first distributor plate and connected on the underside to the first distributor plate. Each material pipe has a flow channel configured therein, with feed channels configured in the first distributor plate being open on the underside into the flow channels of the material pipes. The feed channels on the top side of the first distributor plate are configured as open and the first distributor plate is monolithically formed together with the material pipes. An injection molding tool can be used with the component part and a method of making the component part is disclosed.

Component part for an injection molding tool

A hot runner nozzle having an electrical heating element includes a connector for producing an electrical connection to a connection line, terminal contacts for the heating element terminating in an insulation body for the connector that separates the terminal contacts from one another electrically. The connection line has contact elements that are electrically contactable with the terminal contacts of the heating element. The insulation body is arranged at least in part in a receiving sleeve of the connector, that the connection line may be fixed in or on the receiving sleeve such that the contact elements of the connection line electrically contact the terminal contacts of the heating element, and that a first end of the receiving sleeve that faces towards the heating element wraps around the insulation body and has on this first end two opposing feet that face outward and that are attached to the heating element.

Hot runner nozzle having an electrical heating element

A hookup stem () to implement an electric hookup () of an electric heater of an injection molding nozzle (), the hookup stem () being designed in a manner that it can be affixed by means of at least one electrically conducting adhesion layer () and/or by a contact paste () to the heater, the hookup stem comprising a shank element (), and a connecting segment () coming into contact with the minimum of one adhesion layer () or the contact paste ().

Hookup stem and electric hookup

The present invention relates to an electric heater () to heat substantially cylindrical objects (), in particular hot runner nozzles () of hot runner systems, essentially being fitted with at least one cylindrical support and with at least one heating conductor track () deposited on the support (). To reduce premature failure of the heater, the invention stipulates that each heating conductor track () runs substantially in the axial direction (A) of said support (), the heating conductor tracks () being connected to each other by conductor tracks () of lower electrical resistance and each conductor track () running essentially in the tangential direction (T) of the support ().

Electrical heater for heating substantially cylindrical objects

An injection molding nozzle () for injection molding equipment and comprising a nozzle casing () subtending a longitudinal axis (L) fitted with at least one flow duct () for a fluid processing material, further comprising at least one nozzle tip () discharging the fluid processing material out of the nozzle casing (), the minimum of one nozzle tip () running transversely to the longitudinal axis (L) of the nozzle casing (), the minimum of one nozzle tip () being integral with the nozzle casing ().

Injection moulding device

A connection system () implementing an electric junction between a heater (), in particular a heater () for a hot runner nozzle () and at least one hookup conductor () linked to a power source, comprises a hookup body () which is made of an electrically non-conducting material and which is fitted with at least one passage () to receive at least one hookup conductor (). Said passage () is specified to end in a side face () of the hookup body (). Also the hookup conductor () is affixable to and/or on the substrate in a manner that in the specified state, the hookup conductors () passing through the minimum of one passage () shall make contact by their free ends with the heater ().

Connection device for a hot runner nozzle

An injection molding nozzle comprises a material feed pipe subtending a flow duct communicating flow-wise with at least one nozzle tip. Each tip points transversely to axial direction A of the nozzle and is held by a manifold. The manifold is pluggable/insertable into the material feed pipe and includes a neck and a base. A manifold duct system is subtended in the manifold. A main duct extending the flow duct is in the neck and the base comprises a deflection site and at least one manifold duct. The manifold duct runs radially to axial direction A. The nozzle tip is affixed in a seating unit fitted with a central recess. Radial boreholes running transversely to axial direction A fit into the seating unit and receive plugged-in nozzle tips. The central recess receives the base, the nozzle tip being secured by the base to and in the seating unit.

Growing community of inventors

Burgwald, Germany

Siegrid Sommer