68results about How to "Guarantee exclusion" patented technology

The invention discloses a vacuum non-stick pot, which comprises a spherical pot liner. The spherical pot liner is divided into a bottom, a body, a neck and a pot edge from bottom to top, and is characterized in that: There is edging, the outside of the neck is provided with an insulating layer, the lower end of the insulating layer is welded to the upper end of the tank body, the upper end of the insulating layer is connected to the edge of the pot through the edging, and the spherical pot is coated with an enamel layer or Teflon layer.

The invention discloses a SiC / epoxy epoxy resin composite material, wherein raw material components based on weight percentages are as follows: 75-85 wt% of SiC particles, 15-25 wt% of organic component and coupling agent with a mass of 1.5-2.5% of the organic component; the particle size distributions of the SiC particles are as follows: 500-600 microns taking up 65-75 wt%, 100-150 microns taking up 2-30 wt% and 30-40 microns taking up 5-10wt%; the organic component is composed of epoxy resin and curing agent; the mass ratio of the epoxy resin to the curing agent is 3: 1. A preparation method for pump component with SiC / epoxy epoxy resin composite material, comprising the following steps: (1), heating and stirring in vacuum way; (2), pressure pouring; (3), vacuum vibrating and forming; (4), heating and curing. The invention is characterized by simple technology and low production cost. The prepared SiC / epoxy epoxy resin composite material pump component can resist abrasion and corrosion.

The invention discloses a servo double-surface heating vacuum packaging machine and belongs to liquid extraction seal secondary forming and packaging equipment of flexible packaged lithium batteries. The servo double-surface heating vacuum packaging machine comprises a double-station turntable feeding device driven by a cam partitioning device, a packaging mechanism with an up-and-down packaging device, and an electric control system, wherein the up-and-down packaging device comprises an upper cavity main body and a lower cavity main body; the opening directions of the upper cavity main body and the lower cavity main body are opposite to each other; the upper cavity main body and the lower cavity main body can clamp the turntable to form a sealed cavity body; a pressing board, an upper sealing head and a bayonet are arranged in the upper cavity main body; a lower sealing head and an aspirating hole are arranged in the lower cavity main body; the aspirating hole is communicated with an external vacuum source; the upper sealing head corresponds to the lower sealing head; and a heating body is arranged inside the servo double-surface heating vacuum packaging machine. The servo double-surface heating vacuum packaging machine has a compact structure and high efficiency; the electric core packaging quality is stable and the cost is low; vacuum liquid extraction can be realized; and pollution of the electrolyte to the equipment can be reduced to minimum.

The invention provides a device for treating and reusing household sewage and belongs to the field of household environment protection tools. The device comprises a water inlet structure, a box body,a coarse impurity filtering box, graded filtering boxes, a liquid level sensor, a small water pump and graded filtering screens, wherein the water inlet structure is located at the upper side of a coarse impurity filtering box groove of the box body; the coarse impurity filtering box is mounted in the coarse impurity filtering box groove of the box body; the graded filtering boxes are mounted in graded filtering box grooves; graded filtering screens are mounted in graded filtering screen grooves; the liquid level sensor is mounted at the upper middle part of a water storage box of the box body; the small water pump is connected with the bottom of the water storage box at a 3 / 4 position of the height of water storage volume; the other end of the small water pump is connected with a flush toilet. The device is capable of achieving secondary utilization of the household sewage on the basis that the convenience and the environmental friendliness are ensured.