US PATENT SUBCLASS 264 / 37.16
.~.~ Of blow molding gas

Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

37.1  DF  RECYCLING OF RECLAIMED OR PURIFIED PROCESS MATERIAL (NOT RECYCLED CONSUMER USED ARTICLES) {6}
37.14  DF  .~ Of gaseous process material (e.g., cooling gas, blowing gas, etc.) {3}
37.16.~.~ Of blow molding gas

DEFINITION

Classification: 264/37.16

Of blow molding gas:

(under subclass 37.14) Processes wherein the gaseous material is from a blow molding process.

(1) Note. Blow molding is considered an operation wherein a positive or negative pressure is applied through the medium of a liquid or gas in direct contact with a work-piece to form or maintain a desired configuration.