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 booksInfo
- 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
Links
- 239000011230 binding agent Substances 0.000 abstract 2
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000000717 retained effect Effects 0.000 abstract 1
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)
- Sheet Holders (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
- Pile Receivers (AREA)
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 (enrdf_load_stackoverflow) |
| BE (1) | BE413265A (enrdf_load_stackoverflow) |
| FR (1) | FR800534A (enrdf_load_stackoverflow) |
| GB (1) | GB450296A (enrdf_load_stackoverflow) |
| NL (2) | NL43165C (enrdf_load_stackoverflow) |
Families Citing this family (4)
| 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 |
-
0
- NL NL75926D patent/NL75926C/xx active
- NL NL43165D patent/NL43165C/xx active
- BE BE413265D patent/BE413265A/xx unknown
-
1935
- 1935-12-21 GB GB35429/35A patent/GB450296A/en not_active Expired
-
1936
- 1936-01-11 FR FR800534D patent/FR800534A/fr not_active Expired
- 1936-01-20 US US59952A patent/US2068229A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL43165C (enrdf_load_stackoverflow) | |
| NL75926C (enrdf_load_stackoverflow) | |
| US2068229A (en) | 1937-01-19 |
| FR800534A (fr) | 1936-07-07 |
| BE413265A (enrdf_load_stackoverflow) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2139159A (en) | Loose leaf binder | |
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| US1928941A (en) | Loose leaf binder | |
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