Title:
HEATING STATION, UNIT AND METHOD FOR MANUFACTURING A MULTI-PACK COMPRISING A PLURALITY OF PACKAGES WRAPPED IN A SHEET OF HEAT-SHRINKABLE MATERIAL
Document Type and Number:
WIPO Patent Application WO/2014/075918
Kind Code:
A3
Abstract:
The invention relates to a heating station for: i) receiving batches of packages (4) loosely wrapped in sheets (5) of a heat-shrinkable material, opposite ends of the latter overlapping and being interposed between the packages (4) and a porous conveying surface (P); and ii) sealing the overlapping opposite ends and heat- shrinking the sheets (5) about the batches; comprising a first and a second heat applicators (19, 20) operatively distinct from each other, for independently supplying a first and second thermal flows to the batches advancing on the porous conveying surface (P); the first heat applicator (19) being arranged below the porous conveying surface (P) to supply heat to the overlapping opposite ends, thereby sealing the sheets (5); the second heat applicator (20) being arranged above the porous conveying surface (P) to supply heat to the sheets (5) and complete the wrapping thereof.
Inventors:
CORAZZA FEDERICO (IT)
PICCININI MARCO (IT)
PICCININI MARCO (IT)
Application Number:
PCT/EP2013/072663
Publication Date:
July 03, 2014
Filing Date:
October 30, 2013
Export Citation:
Assignee:
TETRA LAVAL HOLDINGS & FINANCE (CH)
International Classes:
B65B11/48; B65B53/06; B65B59/04
Domestic Patent References:
| WO2002036436A1 | 2002-05-10 |
Foreign References:
| US3389478A | 1968-06-25 | |||
| GB1062349A | 1967-03-22 |
Attorney, Agent or Firm:
LEONELLI, Pietro (Legal Affairs DeptVia Antonio Delfini 1, Modena, IT)
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