2results about How to "Avoid cavities" patented technology

This invention relates to an automatic weighing system for piezoelectric ceramic synthesis in high-throughput equipment, belonging to the field of weighing device technology. It includes a support platform with a collector at its center. Several weighing units are arranged around the collector on the support platform. Each weighing unit includes a discharge chute arranged in a V-shape, with its outlet extending above the collector. A hopper is connected above the discharge chute. This invention solves the problems of traditional technologies where piezoelectric ceramic powder is prone to agglomeration, leading to uneven material distribution due to the screw conveyor method, which is suitable for weighing large quantities of materials but not for weighing small amounts of additives and is prone to cross-contamination; and the inability to simultaneously weigh small doses of additives and large doses of powder, resulting in poor dosage compatibility of the weighing equipment.

The present application relates to the technical field of water heaters, and discloses a production process of a water heater and the water heater, the production process of the water heater comprising the following steps: S1, foaming adhesive tape is sleeved in a shell of the water heater, and the foaming adhesive tape is stretched apart by a shape-following device, so that the foaming adhesive tape is attached to side walls of cavities formed between the shell and gaskets on end covers of the water heater; S2, an inner container is placed in the foaming adhesive tape and supported on the gaskets; and S3, foaming material is injected between the foaming adhesive tape and the inner container to perform foaming. The production process of the water heater has the advantages that the foaming adhesive tape is stretched apart by the shape-following device and attached to the side walls of the cavities, so that the foaming material can fill the cavities by gravity, the phenomenon of cavities is avoided, and in turn, the phenomenon of shell concave of the water heater is avoided. The water heater can avoid the cavities between the shell and the gaskets, improve the overall strength of the water heater, and avoid the phenomenon of shell concave caused by collision.