US 12,326,306 B2
Crimping tool and heat exchanger made with crimping tool
Christian Merkle, Burgstetten (DE); and Frank Nastoll, Ostfildern (DE)
Assigned to MAHLE INTERNATIONAL GMBH, Stuttgart (DE)
Filed by MAHLE INTERNATIONAL GMBH, Stuttgart (DE)
Filed on Oct. 6, 2023, as Appl. No. 18/377,384.
Claims priority of application No. 102022212148.1 (DE), filed on Nov. 15, 2022.
Prior Publication US 2024/0159478 A1, May 16, 2024
Int. Cl. F28F 9/02 (2006.01); B21D 39/04 (2006.01); B23P 15/26 (2006.01); B25B 27/02 (2006.01)
CPC F28F 9/0256 (2013.01) [B21D 39/048 (2013.01); B23P 15/26 (2013.01); B25B 27/02 (2013.01); F28F 2275/122 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A crimping tool for creating at least one connection between a tube and a tube connector through which coolant can be conducted, preferably a tube connector for a heat exchanger, wherein
the crimping tool has a crimping unit for each tube connector that has exactly two crimping elements,
each crimping element has exactly two crimping teeth with which exactly two crimps are created on the tube connector,
the two crimping teeth in the crimping element are parallel to one another and spaced apart on the crimping element, and
the two crimping elements one each crimping unit are moved toward and away from one another in a process of forming the crimps, and in this manner, all crimping teeth are moved, parallel to one another in the same crimping plane, toward the tube connector.