Krones Ag

Gerald Huettner

Arno Haner

Ulrich Lappe

Thomas Ringl

Jochen Hirdina

Bastian Tissmer

Ludovic Laine

Erik Blochmann

Dieter Finger

Heinrich Deyerl

Jochen Forsthoevel

Andreas Steiner

Robert Schmitt

Joerg Wortmann

Timo Janssen

Konrad Senn

Florian Geltinger

Klaus Voth

Thomas Hoellriegl

Christian Stoiber

Stefan Piana

Thomas Philipp

Rainer Kwirandt

Thomas Spitzer

Peter Knapp

Andreas Pense

Alexander Dachs

Christian Wittmann

Norbert Kindl

Andreas Wutz

Florian Schmid

Markus Kulzer

Bernhard Sternkopf

Martin Hintermeier

Waldemar Suppes

Thomas Rauschendorfer

Oliver Apfelbacher

Kevin Folger

Roland Reiner

Wang Bi-Jang

Peter Grassl

Michael Foerster

Bastian Tißmer

Lothar Martinsen

Gerhard Fischer

Markus Stiegler

Christian Mehlin

Joerg Neumann

Markus Summer

Martin Puettmann

A one piece plastic container for beverages, has a base region, a main body extending in the longitudinal direction of the plastic container to the base region and a mouth region with a container mouth, with the mouth region adjoining the main body in the longitudinal direction at least indirectly, wherein the base region has at least three standing feet, wherein at least one groove having a groove base extending in the circumferential direction over a circumferential angle is arranged between two, in particular adjacent feet. The wall of the container is curved inwards at least in sections in the region of the groove base of a groove.

Plastic container with tension band geometry at base region

Provided is an apparatus for forming plastic preforms into plastic containers, having a blow mould which forms a cavity within which the plastic preforms can be expanded to form the plastic containers, and having an application device which is suitable and intended for acting upon the plastic preforms with a flowable medium in order to expand them, which is suitable and intended for acting upon the plastic preforms with a flowable medium in order to expand them, wherein the application device is placed against a mouth area of the plastic preforms in order to act upon these with the flowable medium. The application device forms at least one first flow channel for the flowable medium, which guides and/or directs at least a portion of the flowable medium to an inner wall of the mouth area in order to temper and, in particular, cool this inner wall.

Apparatus for forming plastic preforms into plastic containers with preform cooling

A method for forming plastic parisons to plastic bottles includes the following steps: introducing in a blow mold a plastic parison to be expanded, the blow mold having at least two lateral parts and a base part that is mobile in relation to said lateral parts in a longitudinal direction of the plastic parison; inserting a rod-shaped element in the interior of the plastic parison through a mouth of the plastic parison; applying a first pressure the plastic parison, applying a second pressure to the plastic parison, the second pressure deviating from the first pressure and being higher than the first pressure, applying a third pressure to the plastic parison, the third pressure deviating from the second pressure and being higher than the second pressure. The base part is advanced in the longitudinal direction of the plastic parison while at least temporarily applying the second pressure to the plastic parison.

Method and apparatus for blow moulding of containers with a movable base part

A method is described for shaping the bottom of hot-filled containers, in which the bottoms of the containers are forced inwardly from a state bulged outwardly, in particular as they cool down. Complex mechanisms for forcing the bottom inwardly are dispensable for the reason that the bottoms are forced inwardly by at least one fluid jet and/or fluid pressure wave. In addition, shaping the bottom can advantageously be carried out in a production region immediately downstream of a closer.

Method for shaping the bottom of hot-filled containers

A forming unit () for forming plastic preforms into plastic bottles, wherein the forming unit comprises a blow mould () having a first lateral portion (), a second lateral portion () and a bottom portion (), wherein said lateral portions as well as the bottom portion () form a cavity (), within which the plastic preforms () can be formed into the plastic bottles, wherein the bottom portion () can be moved relative to the lateral portions () in a closed condition of the blow mould, wherein the forming unit () comprises a drive unit in order to move the bottom portion () relative to the lateral portions (), wherein the drive unit preferably has a movable piston element () which ist movable along a predefined stroke path. According to the invention, the apparatus has a first stroke path limiting means () that limits the stroke path of the bottom portion () and/or of the piston element () in a first direction, wherein this stroke path limiting means () is adjustable in order to modify the stroke path.

Apparatus and a method for forming plastic preforms into plastic bottles with a movable bottom portion

Provided is a device for reshaping plastic parisons into plastic containers, including a plurality of blow moulding stations each having blow mould devices which form a cavity, inside which the plastic parisons can be reshaped into plastic containers, and including at least one application device by which a flowable medium can be applied to the plastic parisons for expansion thereof, and at least one valve device which is arranged between at least one pressure reservoir and at least one application device and by which the supply and/or removal of the flowable medium, in particular under high pressure, in particular the blowing pressure and/or volume flow thereof, to the application device can be influenced or controlled.

Device and method for switching time compensation on the valve block

A plastic container has a mouth portion, a main body, and a base portion which adjoins the main body. The base portion has a central region as well as a diaphragm which runs in a circumferential direction and extends from the central region to the main body. The central region is pivotable relative to the main body between at least two positions which differ with regard to an internal volume of the container. The wall has at least one and preferably at least two circumferential grooves and are spaced apart from one another. The central region has a projection extending in the direction of the interior of the plastic container, and at least one web extending at least in part in a radial direction in the circumferential wall.

Plastic container with pivotable base portion

A method for forming plastic preforms into plastic bottles includes introducing a plastic preform to be expanded into a blow mould, wherein this blow mould has at least two side parts and a bottom part which is movable in a longitudinal direction of the plastic preform in relation to these side parts; introducing a rod-shaped body through a mouth of the plastic preform into the interior of the plastic preform; applying a first pressure to the plastic preform; applying a second pressure to the plastic preform, wherein this second pressure differs from the first pressure and is higher than the first pressure; applying a third pressure to the plastic preform, wherein this third pressure differs from the second pressure and is higher than the second pressure. After applying the third pressure to the plastic preform, the bottom part is moved in the longitudinal direction of the plastic preform towards the latter.

A one piece plastics material container has mouth, a wall portion adjoining the mouth in a longitudinal direction (L) and a base portion in the form of a standing face. The base portion has an injection point&#x2014;situated on the inside in a radial direction (R) with respect to the longitudinal direction (L)&#x2014;on the outer wall of the plastics material container, a central area which surrounds the injection point, and a transition portion which extends from the central area to the wall portion. The transition portion has in at least one radial direction (R) and preferably in each radial direction (R) a curvature with a finite radius of curvature in at least one portion. The base portion has a plurality of reinforcement ribs which starting from the central area extend in the direction of the wall portion.

Plastics material container

An apparatus for producing plastic containers is provided, comprising a heating device that heats plastic preforms, and including a shaping device provided downstream of this heating device in the transport direction of the plastic preforms, which shaping device shapes the plastic preforms into the plastic containers, wherein a tempering device for tempering the plastic preforms heated by the heating device is provided in the transport direction of the plastic preforms between the heating device and the shaping device, which tempering device has at least one tempering unit provided on a carrier rotatable about a predetermined rotary axis, and which tempering unit has at least two contacting devices, between which at least one section of the plastic preform can be received, which contacting devices can be moved in relation to one another along a predetermined direction.

Apparatus and a method for producing oval plastic containers

A device for processing performs may include at least a holder device for holding at least one preform and for at least temporary contacting arrangement of at least one wall part of the preform on at least one contact device. By the at least one contact device, a temperature of the first wall part can be prespecified, which at least temporarily differs from the temperature of a second wall part that is always spaced from the contact device. The contact device may be releasably held by a carrier device forming at least in parts a holding zone for the contact device.

Device for processing preforms&#x2014;fast changer

A blow mould for producing plastic containers comprises at least two blow mould parts and a hollow space formed from the at least two blow mould parts at which plastic parisons are transformed by an application of a flowable medium to the plastic containers. The hollow space includes an interior wall that has a contour which produces a predetermined configuration of the plastic containers. A first portion of at least two blow mould parts produces a bottom of the plastic containers. A second portion of the at least two blow mould parts has an opening region for discharging a gaseous medium during an expansion process of the plastic containers. The opening region extends along a first line and a second line, wherein the first and second lines run at least in some sections of the blow mould at an angle different from 0&#xb0; relative to one another.

Apparatus and method for transforming plastic parisons into plastic containers with air discharge

The invention discloses a method of heating a preform () of thermoplastic material prior to blow molding the same to form a container, with the preform () being held at a threaded region () during heating thereof. A neck portion () of the preform () close to the threaded region () is temporarily heated more strongly as compared to other regions. The invention further relates to a tempering device for heating such a preform (), including at least one radiation and/or heat source acting on the preform () and defining several impact regions on the preform () with different heating intensities each. The preform () has associated therewith at least one reflector () disposed in the threaded () and/or neck region () for deflecting radiation proportions piercing the neck region () and for heating the neck region () on an inside of the preform ().

Method and tempering device for heating preforms prior to molding the same to form containers

A method for production control in stretch blow molding of plastic containers in a blow molding machine, and a test preform for the use therewith, and a blow molding machine for performing the method. At least one test preform with a regular and/or in particular equidistant, printed test pattern is fed into a stream of product preforms entering the blowing molding machine. Furthermore, the product preforms and the test preform are in the continuous operation of the blow molding machine blown to form product containers and to form a test container and the test container is imaged with at least one camera. The product quality during the ongoing test operation can thereby with imaged test container be performed flexibly and selectively.

Method for production control in stretch blow molding of plastic containers and a test preform

A plastic container has a mouth region and a main body adjoining the mouth region in a longitudinal direction (L) of the plastic container. The main body has a peripheral wall extending around in a circumferential direction of the plastic container. A container base adjoining the main body has a central region and a plurality of reinforcing ribs which, starting from the central region, extend in the direction of the circumferential wall. A stepped portion extending at least partially in the circumferential region of the plastic container is provided in a circumferential region of the container base which extends in the circumferential direction about the longitudinal direction (L), wherein a vertical position of this stepped portion varies in the longitudinal direction (L).

Plastic container with reinforced base

Growing community of inventors

Vilseck, Germany

Gerald Huettner