METHOD AND APPARATUS FOR PACKAGING TEA BAGS

摘要

Procedure for the airtight packaging with a waterproof thermoplastic material of a product contained in a closed envelope, comprising the steps of folding a narrow strip of waterproof thermosealable laminar material (12) by its half longitudinal axis, introducing the closed envelop (14) containing the product between the superimposed parts of the said laminated material, producing the anterior transverse seal (42) from the folded laminated material and a partial longitudinal seal (43) of the superimposed free borders, producing the posterior transverse seal from the folded laminated material and complete the longitudinal seal from the superimposed free borders and cutting the strip from laminated material through the transverse seal, and a machine therefor.