| 摘要 |
678,367. Moulding coatings on rollers or cylinders. LORENIAN, Z. Aug. 10, 1948 [Dec. 30, 1946], No. 21075/48. Addition to 677,232. Class 87(ii) [Also in Group VIII] Relates to the coating of rollers or cylinders; in particular those used in the textile and typographical industries, with plastic material mouldable by heat and pressure. In the parent Specification pencils are made by extruding a sheath of plastic material in the hot dry condition around a marking core, the core passing through an inner nozzle and the plastic material through an outer nozzle surrounding the inner one.' In the present Specification the cylinders or rollers to be coated are passed through the inner nozzle and coated by the material passing through the outer nozzle. |
