19-02-09 09:46 点击量：22
PRONAL China Subsidiary Products Chapter 1, 2019.2.9
PRONAL's new marine inflatable rubber airbag uses the latest integrated technology (integration technology between each layer). The head of the balloon is two layers more than the body of the balloon, which improves the pressure of the balloon as a whole.
It strengthens the airtightness, strength and safety of marine airbags. The service life of the airbag produced by the special rubber formula is twice as long as that of the common airbag in the market.
Before each airbag leaves the factory, it must pass strict appearance inspection and inflatable inspection to test its working pressure. The gas leakage rate per unit time is not up to the standard, and the unqualified airbag will never leave the factory.
The products are energy-saving, environment-friendly, reasonable in structure, durable, smooth in surface, safe and reliable in head。 They have been widely used at home and abroad, forming local characteristic products in this region。
Through this project, a mathematical model suitable for ship launching and launching is established, its mechanism and theory are studied, and vulcanization technology suitable for ship special airbag is developed. Rubber air bag, also known as concrete prefabricated hollow slab rubber inflatable core mold, bridge inflatable core membrane, rubber internal mold. It is a kind of expandable and shrinkable internal mould made of rubber's high molecular properties and high strength fibre cloth vulcanized.
It is mainly used for the pouring and forming of the front-tensioned and rear-tensioned concrete beams of highway bridges. At the same time, it is also adopted by culvert sewage engineering.
After the rubber balloon is filled with compressed air, the balloon expands and expands to meet the cross-section design requirements. The inflatable pressure depends on the manufacturer's label. The capsule can also be extracted from the cavity. It is easy to use, economical and durable, flexible and shrinkable when not inflated, arbitrarily folded and curled, and has enough strength to withstand the pressure of concrete after inflated expansion. It can replace the original wood mould, bamboo mould and steel mould, and can be reused many times. It is a supporting product of concrete products to reduce costs and speed up construction progress.
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