GB450296A - Improvements in or relating to holding devices for the sheets of loose leaf books - Google Patents

Improvements in or relating to holding devices for the sheets of loose leaf books

Info

Publication number
GB450296A
GB450296A GB35429/35A GB3542935A GB450296A GB 450296 A GB450296 A GB 450296A GB 35429/35 A GB35429/35 A GB 35429/35A GB 3542935 A GB3542935 A GB 3542935A GB 450296 A GB450296 A GB 450296A
Authority
GB
United Kingdom
Prior art keywords
rings
plate
lining
ring
cover
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.)
Expired
Application number
GB35429/35A
Other languages
English (en)
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.)
PAUL CARPENTIER SOEHNE BUECHER
Original Assignee
PAUL CARPENTIER SOEHNE BUECHER
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 PAUL CARPENTIER SOEHNE BUECHER filed Critical PAUL CARPENTIER SOEHNE BUECHER
Publication of GB450296A publication Critical patent/GB450296A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
    • B42F13/00—Filing appliances with means for engaging perforations or slots
    • B42F13/16—Filing appliances with means for engaging perforations or slots with claws or rings

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Pile Receivers (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
  • Sheet Holders (AREA)
  • Bearings For Parts Moving Linearly (AREA)
GB35429/35A 1935-02-11 1935-12-21 Improvements in or relating to holding devices for the sheets of loose leaf books Expired GB450296A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE450296X 1935-02-11

Publications (1)

Publication Number Publication Date
GB450296A true GB450296A (en) 1936-07-14

Family

ID=6538378

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35429/35A Expired GB450296A (en) 1935-02-11 1935-12-21 Improvements in or relating to holding devices for the sheets of loose leaf books

Country Status (5)

Country Link
US (1) US2068229A (en:Method)
BE (1) BE413265A (en:Method)
FR (1) FR800534A (en:Method)
GB (1) GB450296A (en:Method)
NL (2) NL43165C (en:Method)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4765768A (en) * 1987-08-24 1988-08-23 Wright John S Ring binding mechanism
RU2264921C2 (ru) * 2003-12-10 2005-11-27 Симашов Олег Брониславович Тетрадь для составления макета
US8753028B1 (en) * 2013-01-22 2014-06-17 Paris Business Products, Inc. Ring binder with interchangeable binder covers
RU194820U1 (ru) * 2019-05-21 2019-12-24 Ольга Георгиевна Вологдина Сменный блок для тетрадей и папок формата а5 на кольцах

Also Published As

Publication number Publication date
US2068229A (en) 1937-01-19
FR800534A (fr) 1936-07-07
NL43165C (en:Method)
NL75926C (en:Method)
BE413265A (en:Method)

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