Patent · US Active

Apparatuses, systems, and associated methods for forming porous masses for smoke filter

US9138017B2 · kind B2 · utility

4Cited by

39References

16Claims

0Family size

Assignee

CELANESE ACETATE LLC · US

Inventors

Thomas S. Garrett · Narrows, US
Zeming Gou · Tampa, US
Lawton E. Kizer · Blacksburg, US
Raymond M. Robertson · Blacksburg, US

Key dates

Filing date	Oct 14, 2011
Grant date	Sep 22, 2015
Priority date	—
Expiry date	Oct 14, 2031

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB82Y30/00
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

A system for producing porous masses may include a mold cavity disposed along the material path, at least one hopper before at least a portion of the mold cavity for feeding a matrix material to the material path, a heat source in thermal communication with at least a first portion of the material path, and a cutter disposed along the material path after the first portion of the material path.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.