Cushion material formed of spring-structured resin-molded product, manufacturing method thereof, and mold used therefor

Abstract

A cushion material formed of a spring-structured resin- molded product and a manufacturing method for the cushion material requiring less charge for processing, the cushion material being recyclable, high in the degree of freedom of shape and size, low in cost, low in sink, making it difficult for a user to get tired even if the user uses it for a long period, excellent in impact resistance and load resistance, and suitable for those on which persons seat, sleep, or ride such as seats for cars, motorcycles, bicycles, electric cars, and airplanes, saddles for horse riding, chairs, sofas, and beds.

Description

technical field [0001] The present invention relates to a cushioning material composed of an elastic structural resin molded product, a method for producing the cushioning material, and a mold used in the production method for the cushioning material. At the same time, it can also correspond to the characteristics of various fields such as various shapes and sizes and the detailed needs of unspecified people; seats for automobiles, motorcycles, bicycles, trains or airplanes, saddles for horse riding, Chair, sofa, bed, etc., as long as it is an article for people to sit on, sleep on or sit on, it is a method of manufacturing a cushioning material composed of an elastic structural resin molding; A cushioning material composed of an elastic structural resin molded article, a manufacturing method thereof, and peripheral equipment thereof that can improve molding accuracy while reducing cost. Background technique [0002] So far, polyurethane foam has been the mainstream as a cu...

AI Technical Summary

Problems solved by technology

In addition, because it has no air permeability and has heat storage properties, heat is easily shrouded inside. When it is exposed to concentrated light for a long time, there is a danger of burning.

poor performance on the environment

[0008] In the manufacture of polyurethane foam, the service life of freon substitutes used as blowing agents is 2020, but the current situation is that there are no substitutes with better foaming performance than freon substitutes

In addition, in the manufacture of soft polyurethane foam, isocyanate, or TDI, is usually used. It is a highly toxic substance whose concentration must be kept below 0.005ppm in the Announcement No. 25 of the Ministry of Labor of Japan. In the actual manufacturing site, There is a risk of damage to the health of workers if not managed thoroughly

[0009] Among the above-mentioned problems, regarding the characteristics of soft polyurethane foam, although improvements have been made in the above-mentioned prior art Japanese Patent No. 2995325, other problems existing in polyurethane foam have not yet been resolved.

In addition, the cushioning structure proposed in Japanese Patent No. 2548477 utilizes a thermoplastic elastic material with a low melting point and heat-bonds polyester fibers with a high melting point. Trouble, processing costs are obviously high, etc.

In addition, although Japanese Patent Application Laid-Open No. 2000-51011 has good air permeability and can be cleaned, there are still problems such as poor durability, troublesome manufacturing methods, and significantly high processing costs.

Furthermore, since the rubber-based adhesive and cross-linkable polyurethane are thermosetting resins and are not a single composition, recycling is difficult.

[0010] Like this, although there are above-mentioned various problems, the current status quo is that, as a cushioning material used in seats or beds of automobiles, motorcycles, bicycles, trains or airplanes, etc., both have the same properties as polyurethane foam Alternative materials with the above performance and low-cost manufacturing do not yet exist.

Images