METHOD OF FORMING LENGTHWISE SLOTS ON FOAMED PLASTIC MATERIAL SURFACE AND DEVICE TO THIS END Russian patent published in 2009 - IPC B29C59/04

Abstract RU 2366577 C2

FIELD: process engineering.

SUBSTANCE: proposed method comprises pressure exerted by forming elements fitted on opposed shafts perpendicular to their axes. Forming carried out continuously on both sides at a time. Note that forming elements are arranged shifted relative to each other for a distance making 1/2 of that between forming elements on each shaft. The device comprises forming elements fitted fixed on aforesaid shafts running in opposite direction.

EFFECT: high efficiency.

9 cl, 1 dwg

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RU 2 366 577 C2

Authors

Smirnov Sergej Vladimirovich

Dates

2009-09-10—Published

2007-08-16—Filed