Abstract: The present invention relates to an injection mold plate for use in an injection mold for producing molded articles, comprising a plurality of handling elements arranged in columns and rows, wherein the distance r between adjacent handling elements within the rows is greater than the distance s between adjacent handling elements within the columns. According to the invention, in order to provide an injection mold plate of the type mentioned above for which the distance between adjacent handling elements can be reduced without impairing the generally required heating channel, it is proposed that a row of handling elements is formed by two groups of handling elements, wherein the following applies to the distance z between the group: z=r(1+a/n), wherein r is the distance of the handling elements within a group and n, a ? IN with n>1.

Abstract: The present invention relates to an injection mold plate for use in an injection mold for producing molded articles, comprising a plurality of handling elements arranged in columns and rows, wherein the distance r between adjacent handling elements within the rows is greater than the distance s between adjacent handling elements within the columns. According to the invention, in order to provide an injection mold plate of the type mentioned above for which the distance between adjacent handling elements can be reduced without impairing the generally required heating channel, it is proposed that a row of handling elements is formed by two groups of handling elements, wherein the following applies to the distance x between the group: z=r(1+a/n), wherein r is the distance of the handling elements within a group and n,a=IN with n>1.

Abstract: A system for the post-treatment of preforms (9) produced by means of injection moulding, including a removal element (4) having at least one receiving element (5) for receiving a preform (9), and a device for moving the removal element (4) between two tool halves of an opened injection moulding mould and for moving the removal element (4) out of the opened injection moulding mould, a post-treatment element (6) having at least one post-treatment pin (7) having a pin-shaped passage element (7), of which one end can be connected to the environment or a vacuum or reduced-pressure source and of which the other end has an outlet (18) for a coolant, and a motion device with which the removal element (4) can be reciprocated relative to the post-treatment element (6) between a first position in which the post-treatment pin (7) is positioned within the receiving element (5) and a second position in which the post-treatment pin (7) is not positioned within the receiving element (5), wherein the removal element (4) and t

Abstract: A cooling sleeve for receiving a preform comprising a receiving cavity having a receiving opening so that a preform can be inserted into the receiving cavity, and a fluid passage arranged so that when the receiving opening is closed a fluid can be introduced into or removed from the receiving cavity by way of the fluid passage, wherein the cooling sleeve extends along a longitudinal axis and the fluid passage has a passage opening which is arranged near the longitudinal axis and which is arranged opposite the receiving opening. The cooling sleeve allows accelerated cooling of the sprue region of the preform without corresponding noses or markings being formed at the outside of the preform. Arranged in the fluid passage in the region of the passage opening is a support element having a support surface for contacting the preform when the preform is inserted into the cooling sleeve.

Abstract: A system for the after-treatment of parisons (7) produced in an injection molding mold, comprising at least two after-treatment tools. To provide a system for the after-treatment of parisons produced in an injection molding mold, by means of which a plurality of after-treatment tools can be easily positioned, it is proposed in accordance with the invention that there is provided a positioning device for positioning the first after-treatment tool in at least one positioning direction, and the at least two after-treatment tools are connected together so that with the positioning device for positioning the first after-treatment tool at least one further after-treatment tool can be positioned by suitable positioning of the first after-treatment tool.

Abstract: A cooling sleeve for receiving a preform comprising a receiving cavity having a receiving opening so that a preform can be inserted into the receiving cavity, and a fluid passage arranged so that when the receiving opening is closed a fluid can be introduced into or removed from the receiving cavity by way of the fluid passage, wherein the cooling sleeve extends along a longitudinal axis and the fluid passage has a passage opening which is arranged near the longitudinal axis and which is arranged opposite the receiving opening. The cooling sleeve allows accelerated cooling of the sprue region of the preform without corresponding noses or markings being formed at the outside of the preform. Arranged in the fluid passage in the region of the passage opening is a support element having a support surface for contacting the preform when the preform is inserted into the cooling sleeve.

Abstract: A cavity member for a mold cavity structure for the production of hollow body moldings, wherein the cavity member has a substantially hollow-cylindrical element, wherein a cooling passage is provided at the outside of the hollow-cylindrical element. To provide a cavity member which is simple to manufacture and which permits more effective cooling of the cavity member it is proposed in accordance with the invention that there are provided one or more guide elements for forming the cooling passage, wherein the guide elements and the hollow-cylindrical element are in the form of separate parts.

Abstract: A bottom insert for a mold cavity for the production of moldings of plastic material. The mold cavity has a main body with a hot side which has a recess for receiving molten plastic material under pressure and a cold side having a recess, the inside contour of which is intended to come into contact with the molding to be produced and to shape the outside contour thereof. A gate (17) is provided that connects the recess of the hot side to the recess of the cold side and is intended to introduce molten plastic material from the hot side into the cold side. In accordance with the invention there is provided a device for thermal insulation within the bottom insert between the hot side and the cold side of the bottom insert to permit more rapid cooling of the cold side by restricting heat flow from the hot side.

Abstract: A system for the post-treatment of preforms (9) produced by means of injection moulding, including a removal element (4) having at least one receiving element (5) for receiving a preform (9), and a device for moving the removal element (4) between two tool halves of an opened injection moulding mould and for moving the removal element (4) out of the opened injection moulding mould, a post-treatment element (6) having at least one post-treatment pin (7) having a pin-shaped passage element (7), of which one end can be connected to the environment or a vacuum or reduced-pressure source and of which the other end has an outlet (18) for a coolant, and a motion device with which the removal element (4) can be reciprocated relative to the post-treatment element (6) between a first position in which the post-treatment pin (7) is positioned within the receiving element (5) and a second position in which the post-treatment pin (7) is not positioned within the receiving element (5), wherein the removal element (4) and t

Abstract: The present invention relates to a cavity for a mould-cavity system for the production of hollow mouldings, where the cavity (1) has an element (2) which is in essence hollow and cylindrical, where a cooling channel has been provided at the outer side of the hollow cylindrical element (2). To provide a cavity which is easy to produce and which can increase the effectiveness of cooling of the cavity, the invention proposes provision of the cooling channel with a plurality of cooling-channel sections (3) extending substantially axially, and with at least one cooling-channel-connector section (4), where the cooling-channel-connector section (4) connects two of the cooling-channel sections (3) extending substantially axially.

Abstract: A cavity member for a mold cavity structure for the production of hollow body moldings, wherein the cavity member has a substantially hollow-cylindrical element, wherein a cooling passage is provided at the outside of the hollow-cylindrical element. To provide a cavity member which is simple to manufacture and which permits more effective cooling of the cavity member it is proposed in accordance with the invention that there are provided one or more guide elements for forming the cooling passage, wherein the guide elements and the hollow-cylindrical element are in the form of separate parts.

Abstract: The present invention concerns a system for the aftertreatment of parisons (7) produced in an injection molding mold, comprising at least two aftertreatment tools. To provide a system for the aftertreatment of parisons produced in an injection molding mold, by means of which a plurality of aftertreatment tools can be easily positioned, it is proposed in accordance with the invention that there is provided a positioning device for positioning the first aftertreatment tool in at least one positioning direction, and the at least two aftertreatment tools are connected together so that with the positioning device for positioning the first aftertreatment tool at least one further aftertreatment tool can be positioned by suitable positioning of the first aftertreatment tool.

Abstract: A bottom insert for an injection mold, which insert is of a two-part configuration having a hot part which has a recess of the hot side and a cold part which has a recess of the cold side, wherein the cold part is arranged at least partially within the hot part so that the hot part at least portion-wise surrounds the cold part. The two parts of the bottom insert are preferably separable and the. hot part preferably has an opening in opposite relationship to the recess of the hot side for receiving the cold part. Further, the cold part and the hot part are desirably sealed off relative to each other, desirably by O-rings. In general, all surfaces which are provided for contact with the molding to be produced are arranged at the cold part. An insulating coating, an insulating membrane and/or a spacing element is desirably provided at the contact surface between the hot part and the cold part.

Abstract: A bottom insert for a mold cavity for the production of moldings of plastic material. The mold cavity has a main body with a hot side which has a recess for receiving molten plastic material under pressure and a cold side having a recess, the inside contour of which is intended to come into contact with the molding to be produced and to shape the outside contour thereof. A gate (17) is provided that connects the recess of the hot side to the recess of the cold side and is intended to introduce molten plastic material from the hot side into the cold side. In accordance with the invention there is provided a device for thermal insulation within the bottom insert between the hot side and the cold side of the bottom insert to permit more rapid cooling of the cold side by restricting heat flow from the hot side.

Abstract: A bottom insert for an injection mold, which insert is of a two-part configuration having a hot part which has a recess of the hot side and a cold part which has a recess of the cold side, wherein the cold part is arranged at least partially within the hot part so that the hot part at least portion-wise surrounds the cold part. The two parts of the bottom insert are preferably separable and the. hot part preferably has an opening in opposite relationship to the recess of the hot side for receiving the cold part. Further, the cold part and the hot part are desirably sealed off relative to each other, desirably by O-rings. In general, all surfaces which are provided for contact with the molding to be produced are arranged at the cold part. An insulating coating, an insulating membrane and/or a spacing element is desirably provided at the contact surface between the hot part and the cold part.

Abstract: The invention concerns a system for the post-treatment of preforms (7) produced in an injection molding mold, comprising at least two post-treatment tools which each have a receiving plate (4) which has a group of receiving cavities (2) and a pin plate (6) which has a group of post-treatment pins (3), and a device for transferring the preforms (7) from the injection molding mold alternately into the at least two post-treatment tools. In order to provide a method of and a system for the post-treatment of preforms produced in an injection molding mold, which on the one hand allows early removal of the preform from the injection molding tool and which on the other hand allows reliable post-treatment in particular of the interior of the preform after removal from the injection molding mold, it is proposed in accordance with the invention that the post-treatment pins (3) remain in the preforms for a period of time which is longer than the mold stand time.

Abstract: A cooling system for cooling sleeves (2) fixed to a carrier plate (1), by means of a fluid which is passed from a fluid inlet (15) to a fluid outlet (22) by way of fluid conduits (7, 14, 10, 11, 21) supported by means of the carrier plate (1). The fluid conduits (7, 14, 10, 11, 21) include main supply conduits (7) and supply conduits (10, 11) which extend approximately transversely with respect to each other. The supply conduits extend in a mutually parallel relationship and are arranged in pairs in the carrier plate (1) and are connected to a row of sleeves (2) by way of intake (16) and discharge conduits (17). The row of sleeves (2) is so disposed between the supply conduits (10, 11) of a pair such that each sleeve (2) is connected to both supply conduits (10, 11), and fluid communication is interrupted (plug 24) in at least the one supply conduit (10) of the pair substantially at the middle of its longitudinal extent (l).