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Steel strapping head & western plastic strapping head
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Steel strapping head & western plastic strapping head

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  • 1. (19) &  
  • 2. (11) EP 2 460 732 A1 (12) EUROPEAN PATENT APPLICATION (43) Date of publication: (51) Int Cl.: 06.06.2012 Bulletin 2012/23 B65B 13/22 (2006.01) (21) Application number: 11191533.6 (22) Date of filing: 01.12.2011 (84) Designated Contracting States: (72) Inventors: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB • Maggioni Cesarino GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO 28021 Borgomanero (NOVARA) (IT) PL PT RO RS SE SI SK SM TR • Rossi, Gian Luigi Designated Extension States: 28041 Arona (NOVARA) (IT) BA ME (74) Representative: Faggioni, Carlo Maria et al (30) Priority: 02.12.2010 IT MI20102232 Fumero Studio Consulenza Brevetti (71) Applicant: Officina Meccanica Sestese S.p.A. Pettenkoferstrasse 20-22 28040 Paruzzaro (Novarra) (IT) 80336 München (DE) (54) Tension adjustment device in a strapping head and relative strapping machine (57) An adjustment strap tensioning device in a strap- ment of said yielding system moving in opposition to a ping head for a strapping machine is disclosed, of the spring (22), said star-shaped wheel (24) comprising a type comprising at least a plurality of transmission pulleys plurality of equally distanced marks detectable by a sen- apt to impart the launch and recovery of a strap ribbon, sor/transducer (26) apt to issue in correspondence a actuated by an actuation motor (M), as well as a yielding counting signal of the number of marks detected during system moving in opposition to spring means according the rotation of said star-shaped wheel (24), recovery of to the tension imparted on the strap by said transmission said strap ribbon performed by said actuation motor (M) pulleys, comprising furthermore a star-shaped wheel being stopped upon reaching a preset threshold of said (24) the rotation of which is proportional to the displace- counting signal.EP 2 460 732 A1 Printed by Jouve, 75001 PARIS (FR)
  • 3. EP 2 460 732 A1 6
  • 4. EP 2 460 732 A1 9
  • 5. EP 2 460 732 A1 10