JPS55159822A - Square shaped air filter body and preparation thereof - Google Patents
Square shaped air filter body and preparation thereofInfo
- Publication number
- JPS55159822A JPS55159822A JP6790979A JP6790979A JPS55159822A JP S55159822 A JPS55159822 A JP S55159822A JP 6790979 A JP6790979 A JP 6790979A JP 6790979 A JP6790979 A JP 6790979A JP S55159822 A JPS55159822 A JP S55159822A
- Authority
- JP
- Japan
- Prior art keywords
- filter body
- seal
- peripheral wall
- paper
- lower mold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
PURPOSE: To enhance mechanical strength of a seal surface of a seal packing by a method wherein a side wall paper is provided to a rectangular folded filter paper body and a seal packing having a continuous layer of a high and a low density is formed to this periphery.
CONSTITUTION: In order to prepare the titled filter body for an air purifying device of an internal combustion engine, the side wall paper 2 is adhered to a side surface of rectangular filter body 1 made of folded sheet like filter paper to obtain a filter body 6. This filter body is placed on an inner peripheral wall 7 of a lower mold 11 forming a groove portion 9 between an inner and on outer peripheral wall 7, 8 and for raw materials for polyurethane are ejected into said groove portion 9 and an upper mold 12 is placed on a surface of the outer peripheral wall 8 of the lower mold to expand the aforementioned raw materials. In this case, it is necessary to set a mold temp. to a predetermined value wherein the temp. of the lower mold 11 is higher as compared to the upper mold 12. The seal surface of a seal packing 3 of the square shaped filter body forms the high density layer 4 with high mechanical strength to prevent cracks from being generated. The low density layer 5 has high elasticity to ensure the seal function.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6790979A JPS55159822A (en) | 1979-05-31 | 1979-05-31 | Square shaped air filter body and preparation thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6790979A JPS55159822A (en) | 1979-05-31 | 1979-05-31 | Square shaped air filter body and preparation thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55159822A true JPS55159822A (en) | 1980-12-12 |
JPS6315006B2 JPS6315006B2 (en) | 1988-04-02 |
Family
ID=13358494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6790979A Granted JPS55159822A (en) | 1979-05-31 | 1979-05-31 | Square shaped air filter body and preparation thereof |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55159822A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4725323A (en) * | 1985-05-22 | 1988-02-16 | Cuno Incorporated | Filter element |
US4731184A (en) * | 1985-05-22 | 1988-03-15 | Cuno Incorporated | Filter element |
JPS6373129U (en) * | 1986-10-30 | 1988-05-16 | ||
US5015316A (en) * | 1985-05-22 | 1991-05-14 | Cuno, Incorporated | Filter element |
US5028327A (en) * | 1985-05-22 | 1991-07-02 | Cuno, Incorporated | Filter element |
US5399264A (en) * | 1993-03-22 | 1995-03-21 | Cuno, Incorporated | Compressible differential pressure energized seals for filter elements and the like |
JPH0899011A (en) * | 1995-04-25 | 1996-04-16 | Tsuchiya Mfg Co Ltd | Filter element |
JP2012521882A (en) * | 2009-03-30 | 2012-09-20 | ボールドウィン・フィルターズ・インコーポレーテッド | Grooved filter with axial seal |
-
1979
- 1979-05-31 JP JP6790979A patent/JPS55159822A/en active Granted
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4725323A (en) * | 1985-05-22 | 1988-02-16 | Cuno Incorporated | Filter element |
US4731184A (en) * | 1985-05-22 | 1988-03-15 | Cuno Incorporated | Filter element |
US5015316A (en) * | 1985-05-22 | 1991-05-14 | Cuno, Incorporated | Filter element |
US5028327A (en) * | 1985-05-22 | 1991-07-02 | Cuno, Incorporated | Filter element |
JPS6373129U (en) * | 1986-10-30 | 1988-05-16 | ||
US5399264A (en) * | 1993-03-22 | 1995-03-21 | Cuno, Incorporated | Compressible differential pressure energized seals for filter elements and the like |
JPH0899011A (en) * | 1995-04-25 | 1996-04-16 | Tsuchiya Mfg Co Ltd | Filter element |
JP2012521882A (en) * | 2009-03-30 | 2012-09-20 | ボールドウィン・フィルターズ・インコーポレーテッド | Grooved filter with axial seal |
US8685301B2 (en) | 2009-03-30 | 2014-04-01 | Baldwin Filters, Inc. | Fluted filter with axial seal |
Also Published As
Publication number | Publication date |
---|---|
JPS6315006B2 (en) | 1988-04-02 |
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