FR2162049A1 - - Google Patents
Info
- Publication number
- FR2162049A1 FR2162049A1 FR7242402A FR7242402A FR2162049A1 FR 2162049 A1 FR2162049 A1 FR 2162049A1 FR 7242402 A FR7242402 A FR 7242402A FR 7242402 A FR7242402 A FR 7242402A FR 2162049 A1 FR2162049 A1 FR 2162049A1
- Authority
- FR
- France
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/12—Making tubes or metal hoses with helically arranged seams
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9651471A JPS5110590B2 (enrdf_load_stackoverflow) | 1971-11-29 | 1971-11-29 | |
JP8530072U JPS5114041Y2 (enrdf_load_stackoverflow) | 1972-07-18 | 1972-07-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2162049A1 true FR2162049A1 (enrdf_load_stackoverflow) | 1973-07-13 |
FR2162049B1 FR2162049B1 (enrdf_load_stackoverflow) | 1975-11-07 |
Family
ID=26426319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7242402A Expired FR2162049B1 (enrdf_load_stackoverflow) | 1971-11-29 | 1972-11-29 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3864952A (enrdf_load_stackoverflow) |
CA (1) | CA977216A (enrdf_load_stackoverflow) |
DE (1) | DE2258198C3 (enrdf_load_stackoverflow) |
FR (1) | FR2162049B1 (enrdf_load_stackoverflow) |
GB (1) | GB1388206A (enrdf_load_stackoverflow) |
IT (1) | IT971319B (enrdf_load_stackoverflow) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11701699B2 (en) * | 2019-09-23 | 2023-07-18 | Horace Thompson | Helicoidal blade manufacturing system and method |
CN112718982B (zh) * | 2020-12-24 | 2023-05-02 | 诸暨市金戋机械有限公司 | 一种换热器加工用的折弯装置及换热器的折弯方法 |
CN115722594A (zh) * | 2022-11-17 | 2023-03-03 | 重庆海亮铜业有限公司 | 一种内螺纹铜管成型用自润滑芯杆 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2675773A (en) * | 1954-04-20 | Apparatus for making tapered flexible tubing | ||
US2996025A (en) * | 1956-08-16 | 1961-08-15 | Danly Mach Specialties Inc | Readily changeable die assembly for power presses |
US2913946A (en) * | 1956-08-22 | 1959-11-24 | Philco Corp | Die handling mechanism for facilitating insertion and removal thereof in presses |
US2988234A (en) * | 1959-03-18 | 1961-06-13 | Western Electric Co | Two-position work-feeding apparatus |
US3146331A (en) * | 1961-10-18 | 1964-08-25 | Hoesch Ag | Apparatus for producing helical-seam pipe |
US3212430A (en) * | 1963-08-30 | 1965-10-19 | Minster Machine Co | Sliding bolster press |
US3207065A (en) * | 1963-12-06 | 1965-09-21 | Danly Mach Specialties Inc | Quick die changing mechanism |
DE1243131B (de) * | 1964-10-31 | 1967-06-29 | Lothar Kehne | Maschine zur Herstellung zylindrischer und konischer Rohre verschiedener Durchmesser aus wendelfoermig gewickeltem Band |
US3427854A (en) * | 1967-03-28 | 1969-02-18 | Bliss Co | Movable bolster for presses |
US3650015A (en) * | 1969-02-04 | 1972-03-21 | Pacific Roller Die Co Inc | Helical pipe making method |
-
1972
- 1972-11-28 DE DE2258198A patent/DE2258198C3/de not_active Expired
- 1972-11-28 US US310082A patent/US3864952A/en not_active Expired - Lifetime
- 1972-11-28 CA CA157,633A patent/CA977216A/en not_active Expired
- 1972-11-29 GB GB5509872A patent/GB1388206A/en not_active Expired
- 1972-11-29 FR FR7242402A patent/FR2162049B1/fr not_active Expired
- 1972-11-29 IT IT7232220A patent/IT971319B/it active
Non-Patent Citations (1)
Title |
---|
NEANT * |
Also Published As
Publication number | Publication date |
---|---|
FR2162049B1 (enrdf_load_stackoverflow) | 1975-11-07 |
US3864952A (en) | 1975-02-11 |
CA977216A (en) | 1975-11-04 |
GB1388206A (en) | 1975-03-26 |
DE2258198B2 (de) | 1974-08-01 |
DE2258198C3 (de) | 1975-03-13 |
DE2258198A1 (de) | 1973-06-07 |
IT971319B (it) | 1974-04-30 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |