JPS521975A - Filter - Google Patents

Filter

Info

Publication number
JPS521975A
JPS521975A JP50059599A JP5959975A JPS521975A JP S521975 A JPS521975 A JP S521975A JP 50059599 A JP50059599 A JP 50059599A JP 5959975 A JP5959975 A JP 5959975A JP S521975 A JPS521975 A JP S521975A
Authority
JP
Japan
Prior art keywords
filter
prevent breakage
improved durability
filter paper
paper
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.)
Pending
Application number
JP50059599A
Other languages
Japanese (ja)
Inventor
Kenichi Ogoshi
Koichi Sagawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP50059599A priority Critical patent/JPS521975A/en
Publication of JPS521975A publication Critical patent/JPS521975A/en
Pending legal-status Critical Current

Links

Landscapes

  • Filters For Electric Vacuum Cleaners (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

PURPOSE:To prevent breakage of a filter paper, and to obtain a filter of improved durability.
JP50059599A 1975-05-21 1975-05-21 Filter Pending JPS521975A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50059599A JPS521975A (en) 1975-05-21 1975-05-21 Filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50059599A JPS521975A (en) 1975-05-21 1975-05-21 Filter

Publications (1)

Publication Number Publication Date
JPS521975A true JPS521975A (en) 1977-01-08

Family

ID=13117862

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50059599A Pending JPS521975A (en) 1975-05-21 1975-05-21 Filter

Country Status (1)

Country Link
JP (1) JPS521975A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5254037A (en) * 1975-10-28 1977-05-02 Sunstar Inc Lysozymeeblended dentifrice composition
JPS5290638A (en) * 1976-01-27 1977-07-30 Sunstar Inc Lysozymeeblended dentifrice compound
JPS53103279A (en) * 1977-02-21 1978-09-08 Mitsubishi Electric Corp Filter
JPS63268606A (en) * 1987-04-28 1988-11-07 Munekata Kk Integrally molded air filter and its die
JPH01283206A (en) * 1988-05-09 1989-11-14 Tadao Shiraishi Toiletry product blended with lysozyme chloride
JPH02250816A (en) * 1989-03-23 1990-10-08 Kao Corp Composition for oral cavity application
WO2012105208A1 (en) * 2011-01-31 2012-08-09 パナソニック株式会社 Dust collection filter unit, projection image display device, and air cleaner

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4839584B1 (en) * 1969-08-21 1973-11-26
JPS4936166A (en) * 1972-07-26 1974-04-03

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4839584B1 (en) * 1969-08-21 1973-11-26
JPS4936166A (en) * 1972-07-26 1974-04-03

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5254037A (en) * 1975-10-28 1977-05-02 Sunstar Inc Lysozymeeblended dentifrice composition
JPS5549562B2 (en) * 1975-10-28 1980-12-12
JPS5290638A (en) * 1976-01-27 1977-07-30 Sunstar Inc Lysozymeeblended dentifrice compound
JPS53103279A (en) * 1977-02-21 1978-09-08 Mitsubishi Electric Corp Filter
JPS63268606A (en) * 1987-04-28 1988-11-07 Munekata Kk Integrally molded air filter and its die
JPH01283206A (en) * 1988-05-09 1989-11-14 Tadao Shiraishi Toiletry product blended with lysozyme chloride
JPH02250816A (en) * 1989-03-23 1990-10-08 Kao Corp Composition for oral cavity application
WO2012105208A1 (en) * 2011-01-31 2012-08-09 パナソニック株式会社 Dust collection filter unit, projection image display device, and air cleaner

Similar Documents

Publication Publication Date Title
NL7602970A (en) BAND SHAPED ELECTRODE.
ZA761096B (en) Fibres
NL7707740A (en) ABSORBENT PRODUCTION.
NL7502842A (en) POROUS ELECTRODE.
NL7713002A (en) Bloated mixture.
HK1082A (en) Optically active anthracyclinones
MY8500786A (en) Vonversion of 6a, 10-cis hexahdrodibenzo (b,d) pyran-9-one to the trans form
NZ182755A (en) Diaphragm operated cutter
NL171769C (en) CIGARETTE FILTER.
NL7614342A (en) OPEN-END SPIDER.
NL7708487A (en) ABSORBENT PRODUCTION.
NL7611832A (en) TIRE FILTER PRESS.
JPS521975A (en) Filter
NL187768B (en) COMBUSTION PROCESS.
NL7612716A (en) PAPER BACKING.
ZA763975B (en) Paper manufacture
NL185399B (en) HETEROGENIC ELASTANE MIXTURE.
AU499632B2 (en) Indicating fuel consumption
JPS51139745A (en) Filter
JPS5254391A (en) Fibrous photocell
JPS51146154A (en) Complex type resonator
JPS51150920A (en) Ink supplyer
JPS522725A (en) Printing paper
JPS521184A (en) Paper and its manufacture
SU537829A1 (en) Press form

Legal Events

Date Code Title Description
A711 Notification of change in applicant

Effective date: 20040128

Free format text: JAPANESE INTERMEDIATE CODE: A712

A621 Written request for application examination

Effective date: 20050512

Free format text: JAPANESE INTERMEDIATE CODE: A621

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20080722

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20081009

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20081209

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20081224

FPAY Renewal fee payment (prs date is renewal date of database)

Year of fee payment: 3

Free format text: PAYMENT UNTIL: 20120109

R150 Certificate of patent (=grant) or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (prs date is renewal date of database)

Year of fee payment: 4

Free format text: PAYMENT UNTIL: 20130109

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130109

Year of fee payment: 4

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250