发明名称 Process for producing thermoformed article employing selective cooling
摘要 A process for producing a thermoformed article having a first portion with a first wall thickness, and a second portion with a second wall thickness, the first portion having a thicker wall thickness than the second portion, the process including selectively cooling the first portion during a thermoforming cycle so that thermoformable material from the first portion is prevented from migrating to the second portion.
申请公布号 US5545370(A) 申请公布日期 1996.08.13
申请号 US19940225666 申请日期 1994.04.11
申请人 PLASTOFILM INDUSTRIES, INC. 发明人 MOREN, MIKE;BUCK, TODD;KIZZIAH, PAT
分类号 B29C51/04;B29C51/08;B29C51/10;B29C51/42;(IPC1-7):B29C51/42 主分类号 B29C51/04
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