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Patent Searching and Data


Title:
APPARATUS AND METHOD FOR WELDING
Document Type and Number:
WIPO Patent Application WO/2011/055325
Kind Code:
A3
Abstract:
An apparatus for welding a covering film (90) superimposed on a sheet (100) of thermoformable plastic material provided with a plurality of containers (101) thermoformed thereupon, comprises first plate means (2) provided with an operating wall (20) for supporting the sheet (100) and second plate means (4) provided with welding means (5) for pressing the film (90) and the sheet (100) against the operating wall (20) such as to weld the film (90) and the sheet (100); the sheet (100) comprises a plurality of through holes (102) interposed between the containers (101), and the first plate means (2) comprises conduit means (5) leading onto the operating wall (20) at the through holes (102) for sucking air from the containers (101), and/or for leading a gas to the containers (101).

Inventors:
BARTOLI, Andrea (Via Dumas 3, Reggio Emilia, I-42100, IT)
TRALDI, Flavio (Via Verdeta 78, San Prospero, I-41030, IT)
CAVAZZOLI, Gianni (Via Viazza 91, San Prospero, I-41030, IT)
Application Number:
IB2010/055005
Publication Date:
June 30, 2011
Filing Date:
November 04, 2010
Export Citation:
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Assignee:
SARONG SOCIETA' PER AZIONI (Via Colombo 18, Reggiolo, I-42046, IT)
BARTOLI, Andrea (Via Dumas 3, Reggio Emilia, I-42100, IT)
TRALDI, Flavio (Via Verdeta 78, San Prospero, I-41030, IT)
CAVAZZOLI, Gianni (Via Viazza 91, San Prospero, I-41030, IT)
International Classes:
B65B7/16
Foreign References:
EP1908689A22008-04-09
EP0347825A11989-12-27
Other References:
See also references of EP 2496479A2
Attorney, Agent or Firm:
CICCONETTI, Andrea et al. (Luppi Crugnola & Partners S.r.l, Viale Corassori 54, Modena, I-41124, IT)
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