| 摘要 |
The need for a universal hose donut that can fit a variety of hoses with different outside diameters has always been a challenge. Doing so in a practical, easily adjustable and economical way has made it very difficult to achieve. The design of our adjustable hose donut and pipe collars have achieved all this with a very simple "Open Area" and "Flex Points" and "Overlapping" design. |
