GB1474776A - Saw blade for a fret-sawing machine - Google Patents
Saw blade for a fret-sawing machineInfo
- Publication number
- GB1474776A GB1474776A GB4411674A GB4411674A GB1474776A GB 1474776 A GB1474776 A GB 1474776A GB 4411674 A GB4411674 A GB 4411674A GB 4411674 A GB4411674 A GB 4411674A GB 1474776 A GB1474776 A GB 1474776A
- Authority
- GB
- United Kingdom
- Prior art keywords
- blade
- slit
- toothings
- fret
- oct
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D61/00—Tools for sawing machines or sawing devices; Clamping devices for these tools
- B23D61/12—Straight saw blades; Strap saw blades
- B23D61/123—Details of saw blade body
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D61/00—Tools for sawing machines or sawing devices; Clamping devices for these tools
- B23D61/12—Straight saw blades; Strap saw blades
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
- Knives (AREA)
Abstract
1474776 Saws MAPATEX ESTABLISHMENT 11 Oct 1974 [12 Oct 1973] 44116/74 Heading B5L A fret-saw blade for sawing plywood comprises two longitudinal sections which have substantially the same height of teeth, e.g. 1À5 mm. approximately and are of different widths, e.g. respectively 6-7 and 3 mm., and the overall width of the narrower section is substantially twice the tooth height. In use, the narrower section is passed through a starter bore hole to saw a short initial length of slit to accommodate, in said slit and possibly the bore hole, the broader section which thereafter is used for the remainder of the slit. The broader section provides a flat untoothed rear portion, e.g. 4À5-5À5 mm. approximately wide, for twist avoiding blade guidance in a stationary guide member. As shown, two sections 1a, 1b of substantially equal length and provided with blade clamping means such as pins 3, have offset toothings and present a straight rear edge 4. In Fig. 2 (not shown), the toothings present a straight line and the rear edge portions are offset. In a further embodiment, two sets of toothings may be provided on opposite sides of the blade, necessitating turning the blade through 180 degrees after the initial length of slit is formed.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1455173A CH569560A5 (en) | 1973-10-12 | 1973-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1474776A true GB1474776A (en) | 1977-05-25 |
Family
ID=4401759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4411674A Expired GB1474776A (en) | 1973-10-12 | 1974-10-11 | Saw blade for a fret-sawing machine |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5088687A (en) |
| CH (1) | CH569560A5 (en) |
| DE (1) | DE2447641A1 (en) |
| FR (1) | FR2247322B3 (en) |
| GB (1) | GB1474776A (en) |
| IT (1) | IT1023660B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2387350A (en) * | 2003-03-07 | 2003-10-15 | Howard George Osborne | Improved saw blade |
| RU2828893C1 (en) * | 2024-05-13 | 2024-10-21 | Общество с ограниченной ответственностью "Инструменты новых технологий" | Band saw blade for metal |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6054753A (en) * | 1983-09-05 | 1985-03-29 | Hitachi Ltd | Turbidity controlling device of centrifugal dehydrator |
| JPS6450368U (en) * | 1987-09-25 | 1989-03-28 | ||
| EP0313545A1 (en) * | 1987-10-22 | 1989-04-26 | Sandor Janos Rozsa | Sabre saw blade |
| NL2007270C2 (en) * | 2011-08-17 | 2013-02-19 | Rompa Patent Beheer B V | Reciprocating bread slicer device cutting blade and manufacturing thereof. |
| US11471963B2 (en) | 2019-01-25 | 2022-10-18 | Black & Decker Inc. | Reciprocating saw blade |
-
1973
- 1973-10-12 CH CH1455173A patent/CH569560A5/xx not_active IP Right Cessation
-
1974
- 1974-10-01 FR FR7432980A patent/FR2247322B3/fr not_active Expired
- 1974-10-05 DE DE19742447641 patent/DE2447641A1/en not_active Withdrawn
- 1974-10-11 GB GB4411674A patent/GB1474776A/en not_active Expired
- 1974-10-11 JP JP11703274A patent/JPS5088687A/ja active Pending
- 1974-10-11 IT IT490774A patent/IT1023660B/en active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2387350A (en) * | 2003-03-07 | 2003-10-15 | Howard George Osborne | Improved saw blade |
| GB2387350B (en) * | 2003-03-07 | 2005-03-30 | Howard George Osborne | Improved saw blade |
| RU2828893C1 (en) * | 2024-05-13 | 2024-10-21 | Общество с ограниченной ответственностью "Инструменты новых технологий" | Band saw blade for metal |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5088687A (en) | 1975-07-16 |
| FR2247322A1 (en) | 1975-05-09 |
| FR2247322B3 (en) | 1977-07-08 |
| DE2447641A1 (en) | 1975-04-17 |
| IT1023660B (en) | 1978-05-30 |
| CH569560A5 (en) | 1975-11-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |