 ... cover shall be cut from clamp to clamp (taking care not to injure the duck), and this pressure maintained for 5 min. At the end of this time the hose will be submerged in water to determine whether the inner tube is porous. The escape of air through...  Crude Rubber and Compounding Ingredients - Page 345by Henry Clemens Pearson - 1918 - 420 pagesFull view - About this book
 | American Railway Master Mechanics' Association - Railroad engineering - 1918 - 678 pages
...whether the inner tube is porous. The escape of air through the tube shall be distinct enough so that the porosity will not be confused with the escape of air...satisfactory hydraulic test is not obtained, the porosity test will be repeated on another piece of hose. 8. Bursting Tests. — The section of hose which was... | |
 | American Railway Master Mechanics' Association - Railroad engineering - 1916 - 1250 pages
...whether the inner tube is porous. The escape of air through the tube shall be distinct enough so that the porosity will not be confused with the escape of air...hydraulic test will be repeated on another piece of hose. 466 8. Bursting Tests. — The section of hose which was used for porosity test shall then be subjected... | |
 | Master Car Builders' Association - Railroad cars - 1914 - 574 pages
...whether the inner tube is porous. The escape of air through the tube shall be distinct enough so that the porosity will not be confused with the escape of air which is confined in the structure of the hose. 8. BURSTING TEST.— The section of hose which was used for porosity test shall then be subjected to... | |
 | Railroad cars - 1925 - 1174 pages
...ALSO LABEL FOR AIR BRAKE HOSE AND INSTRUCTIONS FOR ITS APPLICATION. fte distinct enough so that the porosity will not be confused with the escape of air...hydraulic test will be repeated on another piece of hose. 8. Bursting Tests. — The section of hose, which was used for porosity test, shall then be subjected... | |
 | Master Car Builders' Association - Railroad cars - 1913 - 706 pages
...to determine the porosity of the inner tube. The escape of air must be distinct enough so that the porosity will not be confused with the escape of air which is confined within structure of the hose. This test determines whether or not the lot of two hundred is accepted... | |
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