| 摘要 |
1477574 Adjustable injection mould PIONEER PLASTIC CONTAINERS Ltd 9 March 1976 [11 March 1975] 10178/75 Addition to 1390634 Heading B5A An injection mould comprising a pair of relatively axially movable mould parts 10, 11 defining a moulding cavity 12 therebetween, is provided with co-operating locating surfaces 31, 24 on each part which determine the relative radial positions of the mould parts, the locating surface 31 on one mould part 10 being provided on a plurality of ring elements 22 which are independently adjustable axially to adjust the radial positions of the mould parts. Bolts not shown pass through the mould part 10 and engage a threshold bore 40 in each ring element 22. Rotation of the bolts displaces the ring elements axially and the camming action of surfaces 31, 24 displaces the mould parts radially |
