Patent classifications
B29C49/42095
Method and apparatus for forming plastic preforms into plastic containers with intermediate blowing pressure control
A method for forming plastic preforms into containers, wherein a transport device transports the preforms along a transport path. The transport device has a rotatable transport carrier where forming stations are arranged for forming the preforms into containers. The forming stations each have devices which apply a flowable medium to the preforms, and the apparatus has three pressure reservoirs which store the flowable and gaseous medium to expand the preforms. The preforms are applied to a first operating mode with a first pressure level stored in the first pressure reservoir, and at least one second and one third pressure levels stored in the second and third pressure reservoirs. The second pressure level is higher than the first, and the third pressure level is higher than the second. The apparatus is operated in a second operating mode, which differs from the first mode by pressure level prevailing in the second pressure reservoir.
Installation for angular orientation of hollow bodies for production of containers
An installation for regulation of the angular position of hollow bodies in an installation for production of containers. The hollow bodies are moved by individual support members each of which is equipped with means for causing the hollow body to turn about its axis. The installation includes a means for measuring, in a first step an angular offset of at least one particular hollow body relative to a reference angular position in a particular measurement zone. The installation also includes a means for compensating, in a second step the angular position of the subsequent hollow bodies in a compensation zone upstream of said measurement zone during which the angular orientation of the subsequent hollow bodies is modified by an updated compensation angle that is a function of the angular offset measured for the at least one particular hollow body.
Sterile blow molding machine with ejection sluice and method for the operation thereof
An apparatus for forming plastic preforms into plastic containers has a rotatable transport carrier on which a plurality of forming stations is arranged. The forming stations each have blow molding devices within which the plastic preforms are formed by application of a flowable medium into the plastic containers. The apparatus has a clean room, within which the plastic preforms are expanded into the plastic containers, a feed device to feed plastic preforms to be formed, and a discharge device for discharging formed containers from the transport device. The apparatus also has an ejection device for ejecting plastic preforms or plastic containers from the transport path, being arranged between the discharge device and the feed device.
APPARATUS AND METHOD FOR TRANSPORTING PLASTIC PREFORMS
An apparatus for transporting plastic preforms having main body and a mouth region, has a first roller rotatable with respect to a first axis of rotation and a second roller rotatable with respect to a second axis of rotation, wherein the first axis of rotation and the second axis of rotation run parallel to each other and a gap is formed between the first roller and the second roller, which gap is dimensioned such that the main body can pass through this gap and the mouth region cannot pass through this gap, wherein the plastic preforms are transportable along this gap and with at least one application device which applies a gaseous medium, and in particular air, to the plastic preforms, wherein the application device is arranged in such a way as to apply the gaseous medium to the plastic preforms in their mouth region.