| 单词 | preformer |
| 释义 | > as lemmaspreˈformer preˈformer n. a press or other machine for preforming plastic. ΘΚΠ society > occupation and work > equipment > equipment for working with other materials > [noun] > with plastics transfer mould1933 transfer chamber1946 compression mould1951 preformer1952 slush mould1957 plug assist1958 transfer pot1963 1952 J. Delmonte Plastics Molding viii. 193 Standard single-punch preformers are illustrated in Figs. 2 and 3, and a rotary-type preforming machine is illustrated in Fig. 4. 1968 Encycl. Polymer Sci. & Technol. IX. 26 Preformers are basically compacting presses; they may be mechanical, hydraulic, pneumatic, or rotary cam-type machines. 2001 Brit. Plastics & Rubber Jan. 33/3 Included in the catalogue is a patented screw preformer which makes continuous pre-formed blanks..from cold strip or warm feed strip. < as lemmas |
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