JPH049618U - - Google Patents

Info

Publication number
JPH049618U
JPH049618U JP4740990U JP4740990U JPH049618U JP H049618 U JPH049618 U JP H049618U JP 4740990 U JP4740990 U JP 4740990U JP 4740990 U JP4740990 U JP 4740990U JP H049618 U JPH049618 U JP H049618U
Authority
JP
Japan
Prior art keywords
sewing machine
edge
opening
folded
bent
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
Application number
JP4740990U
Other languages
English (en)
Other versions
JPH0730109Y2 (ja
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990047409U priority Critical patent/JPH0730109Y2/ja
Publication of JPH049618U publication Critical patent/JPH049618U/ja
Application granted granted Critical
Publication of JPH0730109Y2 publication Critical patent/JPH0730109Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Filtering Of Dispersed Particles In Gases (AREA)

Description

【図面の簡単な説明】
第１図は本考案の実施例を示す全体の斜視図、
第２図は同第１図−線断面図、第３図は同平
面図、第４図は同右側面図、第５図は第１従来例
を示す全体の斜視図、第６図は第５図−線断
面図、第７図は第２従来例を示す全体の斜視図で
ある。 図中、１ａ，１ｂは折曲片、２は折曲端縁、３
ａ，３ｂは上、下端縁、４ａ，４ｂは端部溶着線
、５は開口部、６は袋部、７ａ，７ｂは長、短尺
溶着線、８，９，１０は大、中、小空隙部である
。

Claims (1)

    【実用新案登録請求の範囲】
  1. 合成繊維不織布より成る方形状濾紙を２等分に
    折曲して、２つの折曲片と折曲端縁を設け、且つ
    該各折曲片の各上、下端縁を、超音波ミシンある
    いは高周波ミシンにより溶着固定して端部溶着線
    を設けて、前面に開口部を有する袋部を形成する
    一方、該袋部の各折曲片を上下方向水平に等分割
    する位置において、前記折曲端縁から開口部端縁
    よりやや手前位置まで、前記超音波ミシンあるい
    は高周波ミシンにより溶着固定して、複数本の長
    、短尺溶着線を交互に設けて、前記開口部側より
    折曲端縁へ向けて、夫々大、中、小空隙部を連設
    して成るバツグ状エアーフイルタ用濾材。
JP1990047409U 1990-05-08 1990-05-08 バッグ状エアーフィルタ用濾材 Expired - Lifetime JPH0730109Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990047409U JPH0730109Y2 (ja) 1990-05-08 1990-05-08 バッグ状エアーフィルタ用濾材

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990047409U JPH0730109Y2 (ja) 1990-05-08 1990-05-08 バッグ状エアーフィルタ用濾材

Publications (2)

Publication Number Publication Date
JPH049618U true JPH049618U (ja) 1992-01-28
JPH0730109Y2 JPH0730109Y2 (ja) 1995-07-12

Family

ID=31563313

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990047409U Expired - Lifetime JPH0730109Y2 (ja) 1990-05-08 1990-05-08 バッグ状エアーフィルタ用濾材

Country Status (1)

Country Link
JP (1) JPH0730109Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49101968A (ja) * 1973-01-30 1974-09-26
JPS57197014A (en) * 1981-05-26 1982-12-03 Allis Chalmers Pocket filter assemblage

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49101968A (ja) * 1973-01-30 1974-09-26
JPS57197014A (en) * 1981-05-26 1982-12-03 Allis Chalmers Pocket filter assemblage

Also Published As

Publication number Publication date
JPH0730109Y2 (ja) 1995-07-12

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Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term