Patent ID: 8356462

Claim:
A machine for making pods ( 2 ) containing products for infusion, the machine comprising at least: means ( 3 ) for feeding at least one first web ( 4 ) of filtering paper material along a predetermined path (P); means ( 5 ) for feeding at least one second web ( 6 ) of filtering paper material along a predetermined path (P′); a station ( 7 ) for dispensing and successively placing individual charges ( 8 ) of product on the first web ( 4 ), said charges ( 8 ) constituting the contents of the pods ( 2 ); means ( 11 ) for superposing and joining the first web ( 4 ) and the second web ( 6 ) to form a continuous succession ( 12 ) of pods ( 2 ); the machine further comprising, upstream of the dispensing station ( 7 ), relative to the path (P), means ( 20 , 13 , S) for successively feeding a series of elements ( 14 ) for containing the infusion product; and means ( 21 ) for forming impressions in the first web ( 4 ) and positioning the elements ( 14 ) thereon; each of the elements ( 14 ) being interposed between the first web ( 4 ) and the second web ( 6 ) to define a site ( 102 ) on the first web on which a charge ( 8 ) can be placed, wherein the positioning and impression forming means ( 21 ) comprise at least one piston ( 18 ) designed to push each of the elements ( 14 ) against a respective portion ( 10 ) of the first web ( 4 ) to form an impression in the portion ( 10 ) and to position each of the elements ( 14 ) inside a respective impressed portion ( 10 ).