DE228710C - - Google Patents
Info
- Publication number
- DE228710C DE228710C DENDAT228710D DE228710DA DE228710C DE 228710 C DE228710 C DE 228710C DE NDAT228710 D DENDAT228710 D DE NDAT228710D DE 228710D A DE228710D A DE 228710DA DE 228710 C DE228710 C DE 228710C
- Authority
- DE
- Germany
- Prior art keywords
- falling weight
- rider
- weight
- falling
- falls
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 claims description 3
- 238000007542 hardness measurement Methods 0.000 claims 1
- 210000002105 tongue Anatomy 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
- G01N3/52—Investigating hardness or rebound hardness by measuring extent of rebound of a striking body
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE228710C true DE228710C (enrdf_load_stackoverflow) |
Family
ID=489082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT228710D Active DE228710C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE228710C (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3106834A (en) * | 1960-03-31 | 1963-10-15 | Burroughs Corp | Impact shock testing apparatus |
-
0
- DE DENDAT228710D patent/DE228710C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3106834A (en) * | 1960-03-31 | 1963-10-15 | Burroughs Corp | Impact shock testing apparatus |
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