The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 10, 2022
Filed:
Feb. 27, 2018
Azionaria Costruzioni Macchine Automatiche A.c.m.a. S.p.a., Bologna, IT;
Massimo Scrivani, Casteggio, IT;
Abstract
A method for wrapping hygroscopic products includes feeding a succession of products and wrapping each product in wrapping material to define a wrapper for the product, The wrapping includes 1) folding a sheet of wrapping material into a U-shape around a respective product and sealing to each other at least two edges of the sheet of wrapping material along a first, longitudinal sealing line defining a tubular body in which the product is disposed and having a first and a second open end; 2) sealing two portions of the tubular body along second and third sealing lines transverse to the first longitudinal sealing line, thereby enclosing the product in the wrapper; and 3) creating a vacuum in the tubular body before the sealing the portions of the tubular body along at least one between the second and the third sealing lines.