DE272849C - - Google Patents
Info
- Publication number
- DE272849C DE272849C DENDAT272849D DE272849DA DE272849C DE 272849 C DE272849 C DE 272849C DE NDAT272849 D DENDAT272849 D DE NDAT272849D DE 272849D A DE272849D A DE 272849DA DE 272849 C DE272849 C DE 272849C
- Authority
- DE
- Germany
- Prior art keywords
- needles
- needle
- clamping
- annealed
- jaws
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21G—MAKING NEEDLES, PINS OR NAILS OF METAL
- B21G1/00—Making needles used for performing operations
- B21G1/006—Special treatments of pins or needles, e.g. annealing, straightening
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/26—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for needles; for teeth for card-clothing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
- Treatment Of Fiber Materials (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE272849C true DE272849C (enrdf_load_stackoverflow) |
Family
ID=529363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT272849D Active DE272849C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE272849C (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2470311A (en) * | 1943-04-16 | 1949-05-17 | Rca Corp | Rotary conveyer |
| US2576342A (en) * | 1947-02-13 | 1951-11-27 | Selas Corp Of America | Apparatus for heating selected portions of elongated workpieces in a continuous process |
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0
- DE DENDAT272849D patent/DE272849C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2470311A (en) * | 1943-04-16 | 1949-05-17 | Rca Corp | Rotary conveyer |
| US2576342A (en) * | 1947-02-13 | 1951-11-27 | Selas Corp Of America | Apparatus for heating selected portions of elongated workpieces in a continuous process |