Abstract:
A pressure-type sealing apparatus of a reaction injection mold of a memory foam ear plug is provided to reduce the defective rate of the product and improve the productivity by completely adhering the mold and the cover and precluding the raw material from being leaked to the outside of the mold. A pressure-type sealing apparatus of a reaction injection mold of a memory foam ear plug is composed of a clamp(5) integrally formed like a reversed L with a push part(5a) pushing a cover(2) of a mold(1), and a support part(5b) extended from the push part, and rotatably combined through a hinge unit(3) for the mold; a fixing unit(6) hinge-combined for the mold to detachably fix the clamp; and plural compression springs(4) projected at the bottom of the push part. A hanging rod(7) is formed on the front end of the push part.
Abstract:
A bulk-injection apparatus and a manufacturing method by bulk-injection are provided to improve productivity by shortening the time for cleaning of a mixing head after injection. A bulk-injection apparatus includes a mixing head(200) connected to a material storage unit; a nozzle mounted on the mixing head so as to inject a material into a mold(500); a mold conveyor(700) for transferring the mold below the nozzle; a pneumatic unit(300) for transferring the mold to a drying unit(400); and a mold mounting board(21) extended in a work line direction. The material is injected into five groups of molds which sequentially pass underneath the nozzle.
Abstract:
A Steering apparatus sensitive to the speed of a vehicle is provided to control a passage of a hydraulic system according to the speed of the vehicle, thereby providing a driver with a stable steering feel when the driver drives the vehicle at a high speed. The second flow rate adjusting valve(1800) is mounted between a control valve(1100) and the first flow rate adjusting valve(1700). The control valve(1100) is coupled to a steering wheel of a steering apparatus. The first flow rate adjusting valve(1800) supplies oil to the control valve(1100). The second flow rate adjusting valve(1800) controls an amount of oil supplied to the control valve(1100) according to a vehicle speed.