| 摘要 |
1289865 Coating chains BECKER-PRUNTE GmbH 24 Nov 1969 [23 Nov 1968] 57427/69 Heading B2E Steel chains, e.g. coal cutting or conveyor chains, are provided with an anti-corrosive coating on the links and ancillary parts by heating the chain, preferably at a temperature of 30-100‹C, and applying an age-hardening plastics material containing zinc dust by air, airless or electrostatic spraying or by dipping the chain in a bath. The coating is preferably 10-15 pu thick. |
