The invention relates to a method for producing containers (14) from preforms (12) made of thermoplastic material by means of a blow molding machine (10) comprising at least one temperature control device (26) and one forming device having at least two forming stations (16), wherein the preforms (12) are temperature controlled by means of the temperature control device (26) on the basis of specifiable first control parameters, and wherein one temperature-controlled preform (12) is formed by means of one of the forming stations (16), respectively, on the basis of specifiable second control parameters into a container (14), wherein at least one of the second control parameters is individually specified for each of the forming stations (16). The invention furthermore relates to a blow molding machine (10), designed for executing the method according to the invention, for producing containers (14) from preforms (12) made of thermoplastic material.

A heat treatment device for a PET bottle preform with an integral handle includes an air-cooling knife, a heating furnace, and a transport mechanism. The air-cooling knife is disposed on an outlet side of the heating furnace, the bottle preform is transported into the heating furnace through the transport mechanism, heated in the heating furnace, and transported to the air-cooling knife, and the air-cooling knife jets airflow to and cools a lower end of a handle of the bottle preform, appropriately reducing the temperature at junction of the lower end of the handle and a bottle body so that a gentle transition between the temperature of the bottle body and the temperature of the handle is achieved, and the handle is not easily deformed after the bottle preform is blown, thereby effectively improving the quality of the bottle preform after blown.

A manufacturing apparatus for manufacturing a resin container includes an injection molding part configured to injection-mold a preform, and a temperature adjustment part configured to adjust a temperature of the preform molded in the injection molding part, in which the manufacturing apparatus is configured to blow-mold the preform whose temperature has been adjusted in the temperature adjustment part, the preform is inserted into the temperature adjustment part in a state where an outer surface temperature of the preform is higher than a glass transition temperature of the preform by 30° C. or higher and 60° C. or lower, and the preform is cooled to a predetermined temperature suitable for blow molding in the temperature adjustment part.

A liquid blow molding device and a liquid blow molding method are configured to supply pressurized liquid to a preform mounted to a mold to mold the preform into a shape along a cavity of the mold, and includes a blow nozzle fitted into a mouth portion of the preform, a plunger pump configured to supply pressurized liquid to the preform through the blow nozzle and a controller configured to control operation of the plunger pump. The controller controls operation of the plunger pump by position control in which a plunger of the plunger pump is moved from an original position to a predetermined final position with a predetermined operating force.

Non-symmetric and volume reduced preforms and containers stretch blow moulded therefrom by a continuously rotating, preform feed, stretch-blow-moulding machine dedicated to the stretch-blow-moulding of containers from non-symmetric or reduced volume injection moulded preforms; the non-symmetric or reduced volume preforms including an integral handle extending from a first junction point to a second junction point on a body of the preform; the body of the preform and the integral handle constituted from the same material.

Systems and methods control the operation of a blow molder. An indication of a crystallinity of at least one container produced by the blow molder may be received along with a material distribution of the at least one container. A model may be executed, where the model relates a plurality of blow molder input parameters to the indication of crystallinity and the material distribution and where a result of the model comprises changes to at least one of the plurality of blow molder input parameters to move the material distribution towards a baseline material distribution and the crystallinity towards a baseline crystallinity. The changes to the at least one of the plurality of blow molder input parameters may be implemented.

A plastic bottle manufacturing device (50) includes a preform heating part (52) that includes a plurality of heating bodies (65), a blow-molding part (54) that molds a plastic bottle (20) by blow-molding a preform (10), and a preform temperature measuring part (53) that measures temperatures of the preform (10) at a plurality of measurement points (P) in a longitudinal direction of the preform (10). The plurality of measurement points (P) are provided in correspondence with the plurality of heating bodies (65). A control unit (70) controls an output of each heating body (65) based on an optimal temperature distribution at each measurement point (P) of the preform (10) that has been predetermined and an actually measured temperature distribution at each measurement point (P) of the preform (10).

A manufacturing apparatus for manufacturing a resin container includes an injection molding part configured to injection-mold a preform, and a temperature adjustment part configured to adjust a temperature of the preform molded in the injection molding part, in which the manufacturing apparatus is configured to blow-mold the preform whose temperature has been adjusted in the temperature adjustment part, the preform is inserted into the temperature adjustment part in a state where an outer surface temperature of the preform is higher than a glass transition temperature of the preform by 30° C. or higher and 60° C. or lower, and the preform is cooled to a predetermined temperature suitable for blow molding in the temperature adjustment part.

Systems and methods control the operation of a blow molder. An indication of a crystallinity of at least one container produced by the blow molder may be received along with a material distribution of the at least one container. A model may be executed, where the model relates a plurality of blow molder input parameters to the indication of crystallinity and the material distribution and where a result of the model comprises changes to at least one of the plurality of blow molder input parameters to move the material distribution towards a baseline material distribution and the crystallinity towards a baseline crystallinity. The changes to the at least one of the plurality of blow molder input parameters may be implemented.

Blow molder system and associated method optimizes the performance, energy efficiency and/or operating costs of the blow molder. A blow molder controller executes a system model that relates blow molder input parameter changes to the characteristics of containers generated by the blow molder. Equipped with energy and/or operating cost data for operating the blow molder, the blow molder controller can select a set of blow molder input parameter changes for the blow molder that: drives the containers produced by the blow molder toward desired container characteristics, in an efficient amount of time, and in cost effective manner, considering the energy costs involved in implementing the changes.