NL21708C - - Google Patents
Info
- Publication number
- NL21708C NL21708C NL21708DA NL21708C NL 21708 C NL21708 C NL 21708C NL 21708D A NL21708D A NL 21708DA NL 21708 C NL21708 C NL 21708C
- Authority
- NL
- Netherlands
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
- E21C25/10—Rods; Drums
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T407/00—Cutters, for shaping
- Y10T407/19—Rotary cutting tool
- Y10T407/1906—Rotary cutting tool including holder [i.e., head] having seat for inserted tool
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T407/00—Cutters, for shaping
- Y10T407/21—Arc segment tool
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Knives (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE336413T | 1926-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL21708C true NL21708C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=3895076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL21708D NL21708C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1926-09-13 |
Country Status (6)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4852671A (en) * | 1987-03-17 | 1989-08-01 | Diamant Boart-Stratabit (Usa) Inc. | Diamond cutting element |
| US5016828A (en) * | 1988-08-12 | 1991-05-21 | Sharp Kabushiki Kaisha | Shredding machine |
-
0
- NL NL21708D patent/NL21708C/xx active
-
1926
- 1926-09-13 BE BE336413D patent/BE336413A/xx unknown
- 1926-11-27 GB GB30090/26A patent/GB284053A/en not_active Expired
-
1927
- 1927-08-10 DE DEB132822D patent/DE480589C/de not_active Expired
- 1927-08-25 US US215397A patent/US1756450A/en not_active Expired - Lifetime
- 1927-09-12 FR FR640789D patent/FR640789A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE336413A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1926-10-30 |
| FR640789A (fr) | 1928-07-21 |
| US1756450A (en) | 1930-04-29 |
| GB284053A (en) | 1928-01-26 |
| DE480589C (de) | 1929-08-06 |