FR2259657B1 - - Google Patents
Info
- Publication number
- FR2259657B1 FR2259657B1 FR7403908A FR7403908A FR2259657B1 FR 2259657 B1 FR2259657 B1 FR 2259657B1 FR 7403908 A FR7403908 A FR 7403908A FR 7403908 A FR7403908 A FR 7403908A FR 2259657 B1 FR2259657 B1 FR 2259657B1
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/08—Tube expanders
- B21D39/20—Tube expanders with mandrels, e.g. expandable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/08—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of both metal tubes and sheet metal
- B21D53/085—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of both metal tubes and sheet metal with fins places on zig-zag tubes or parallel tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7403908A FR2259657A1 (en) | 1974-02-06 | 1974-02-06 | Expander for ribbed heat exchanger tubes - has clamp jaws for one tube end, and rod with enlarged end to move through tube and widen it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7403908A FR2259657A1 (en) | 1974-02-06 | 1974-02-06 | Expander for ribbed heat exchanger tubes - has clamp jaws for one tube end, and rod with enlarged end to move through tube and widen it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2259657A1 FR2259657A1 (en) | 1975-08-29 |
| FR2259657B1 true FR2259657B1 (fi) | 1978-01-06 |
Family
ID=9134545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7403908A Granted FR2259657A1 (en) | 1974-02-06 | 1974-02-06 | Expander for ribbed heat exchanger tubes - has clamp jaws for one tube end, and rod with enlarged end to move through tube and widen it |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2259657A1 (fi) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107695217B (zh) * | 2017-10-30 | 2024-06-21 | 中山市马特智能装备有限公司 | 胀管机上的自动夹爪机构以及手持胀管机 |
-
1974
- 1974-02-06 FR FR7403908A patent/FR2259657A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2259657A1 (en) | 1975-08-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |