Title:
AIR FILTRATION MEDIUM AND ITS PRODUCTION
Document Type and Number:
Japanese Patent JP2685410
Kind Code:
B2
Abstract:
PURPOSE: To produce a glass fiber air filtration medium in a few steps at a low cost by randomly mixing specified coarse and fine glass fibers in a specified proportion and binding the fibers with a binder.
CONSTITUTION: About 25-35 wt.% glass fibers having about 2 μm average diameter and about 65-75 wt.% glass fibers having about 6 μm average diameter are mixed and formed into a blanket 12. The glass fibers are randomly mixed and bound together at the crossed parts with a resin binder sprinkled on the glass fibers during the formation into the blanket 12. An air permeable lightweight meshed lining sheet 14 is fitted to the glass fiber blanket 12 to obtain the objective glass fiber air filtration medium 10.
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Inventors:
Donald leroy mirror
Application Number:
JP10526994A
Publication Date:
December 03, 1997
Filing Date:
May 19, 1994
Export Citation:
Assignee:
Shuller International Incorporated
International Classes:
B01D39/00; B01D39/20; C03B37/06; C04B38/00; D01D7/00; D01F9/08; D04H1/72; (IPC1-7): B01D39/20; B01D39/00; C04B38/00; D01D7/00
Domestic Patent References:
| JP3101804A | ||||
| JP4263695A | ||||
| JP3146107A |
Attorney, Agent or Firm:
Masao Okabe (9 others)
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