Hair curler with measuring sensor(s) e.g. for temp. applied force, displacement - placed internally with measurement cable and removable via coupling

摘要

The hair curler (1) has at least one measurement sensor (10A) in an internal device (7) with a measurement cable (13). The device and the curler have a detachable connection. One end (3) of the curler is liquid tight. The other end is open. The open end is sealed liquid tight by the connection. The connection is a turning lock (18) or plug closure with a sealing ring or sealing ring lip. The measurement device can contain a force measurement sensor, strain gauge, displacement or heat sensor and a measurement value processing device. ADVANTAGE - Improved hair treatment.