Freezer head for pipe freezing devices

摘要

A freezer head for pipe freezing devices has a casing having a first exterior side with one or more first exterior depressions for receiving a pipe section to be frozen. The casing has a second exterior side with one or more second exterior depressions. The casing has a hollow interior. The casing has at least one connector configured to supply a cooling medium into the hollow interior. The first depression has a bottom having at least a first bottom portion and a second bottom portion, wherein each one of the first and second bottom portions has a different radius of curvature. The second depression has a bottom having at least a first bottom portion and a second bottom portion, wherein each one of the first and second bottom portions has a different radius of curvature.