Abstract:
A temperature adjustment mold for adjusting a temperature of a preform that is injection-molded, has a bottomed shape, and is made of resin includes one or more adjusting portions that face a part of an outer peripheral surface of a body portion of the preform and locally heat a predetermined portion in a circumferential direction of the preform. The adjusting portion is disposed such that a gap is formed in the circumferential direction, and an attachment position is adjustable in the circumferential direction.
Abstract:
The present application includes an injection molding step and a stretch blow molding step. The stretch blow molding step is configured to include: a first step in which preliminary blow air is introduced into a preform to stretch the preform in a state in which a stretching rod does not contact the bottom of the preform; a second step which is executed after the first step, and in which the preliminary blow air is introduced into the preform and the stretching rod is moved at a set speed and pressed against the bottom of the preform to stretch the preform; and a third step which is executed after the second step, and in which final blow air is introduced into the preform to stretch the preform.
Abstract:
A temperature adjustment mold capable of performing local temperature adjustment in an axial direction from the inside of a preform while restricting shrinkage and deformation of the preform, for adjusting a temperature of an injection-molded bottomed resin-made preform includes a rod portion inserted into the preform and extending in the axial direction of the preform. The rod portion includes an annular projection portion that protrudes in a radial direction of the rod portion and contacts an inner peripheral surface of the preform. The rod portion contacts a bottom portion of the preform to restrict shrinkage in the axial direction of the preform. The projection portion restricts shrinkage in a radial direction of the preform, conducts heat between the rod portion and the preform, and adjusts a temperature at a predetermined part in an axial direction of the preform.
Abstract:
The present application includes an injection molding step and a stretch blow molding step. The stretch blow molding step is configured to include: a first step in which preliminary blow air is introduced into a preform to stretch the preform in a state in which a stretching rod does not contact the bottom of the preform; a second step which is executed after the first step, and in which the preliminary blow air is introduced into the preform and the stretching rod is moved at a set speed and pressed against the bottom of the preform to stretch the preform; and a third step which is executed after the second step, and in which final blow air is introduced into the preform to stretch the preform.
Abstract:
The resin container coating device includes a chamber which stores a plurality of resin containers and is an external electrode; a plurality of internal electrodes in which gas conductive parts for conducting a source gas are formed and which are respectively inserted inside the plurality of resin containers; and a gas supply unit for supplying the source gas to the chamber, the gas supply unit includes a source gas supply path and a plurality of gas branch paths that branch from the source gas supply path and respectively communicate with the gas conductive parts, and a mass flow controller for controlling the flow rate of the source gas is provide to the source gas supply path and flow rate control valves for controlling the flow rate of the source gas are respectively provided to the plurality of gas branch paths.
Abstract:
An object of the invention is to provide a coating apparatus for a resin container capable of improving mass-production efficiency of coating-treated resin containers. A plurality of container holding members, which are installed on a rotating table and can hold a resin container, are sequentially moved to a container supply position in which the resin container is supplied, a coating treatment position in which coating treatment of forming a thin film on an inner surface of the resin container is performed in a state of being combined with a chamber lid part, and a container detachment position in which the resin container to which the thin film is formed by the coating treatment can be detached according to the rotation of the rotating table, so that the treatments in the respective positions are performed in parallel.