Patent EA-003716-B1 (EA)
Title: Single-use infusion packet
IPC: B65D85/808
Filed: 2001-07-16
Abstract: 1. A single-use infusion packet (1) having a tension thread (11) passed through a passage (3) provided in its upper end (2), the thread winding the packet longitudinally to provide squeezing out the infusion, characterized in that the tension thread (11) is doubly passed through the passage (3) in the upper part (2) forming a loop (12) at one end of the packet (1), one of the outgoing ends (13) of the loop (12) of the tension thread (11) winds the packet (1) and passed through said loop (12), while the other end (14) of the loop (12) and passed through it the end (13) of the tension thread (11) form elements on both sides of the upper part of the packet which move apart said elements for squeezing the packet (1), (fig.1,3,5). 2. The packet according to claim 1, characterized in that passages (3') are provided in the upper part (2) of the packet (1) spaced apart by the packet width and arranged at about one level, the tension thread (11) is passed doubly through each of them forming loops (12) through which run elements (ends 13, 14 of the thread) extended at different sides. 3. The packet according to claim 2, characterized in that the distance between passages (3') is selected so as to divide the packet (1) in the process of squeezing by the tension thread into three compartments of about similar width. 4. A single-use infusion packet (1") having a tension thread (11) passed through a passage (3) provided in its upper end (2), the thread winding the packet (1") longitudinally to provide squeezing out the infusion, characterized in that the tension thread (11") is doubly wound said packet (1"), wherein the doubly-folded end of the tension thread (11") is passed through the passage (3) in the upper part (2") as a loop (12") and both ends (13", 14") of the tension thread (11") outgoing from said loop (12") are passed through the loop (12") and extend further as spacing apart elements (fig.6,8 and 9). 5. A single-use infusion packet (1") having a tension thread (11") passed through a passage (3) provided in its upper end (2"), the thread winding the packet (1") longitudinally to provide squeezing out the infusion, characterized in that the tension thread (11"), being double-folded, is passed through the passage in the upper part (2") and, winding the packet (1") reaches the passage (3) level, while both outgoing from the passage (3) ends (13", 14") of the tension thread (11") are passed through a loop-shaped end (15) of the tension thread (11") and form spacing apart elements (fig.10 and 11). 6. The packet according to any one of claims 1 to 5, characterized in that the loop position (12, 12"), respectively the loop-shaped end (15) of the tension thread (11, 11") is stabilized by a unit using glueing, wrapping or similarly. 7. The packet according to claim 1, characterized in that two passages (3, 4), for example round, are provided in the upper part (2") of the packet (1") and arranged at about one level, through the tension thread (11) is passed successively. 8. The packet according to any one of claims 1 to 7, characterized in that the tension thread (11") is passed through one or two spaced apart passages (5, respectively 6, 7) provided in each case in the bottom portion of the packet (1"). 9. The packet according to claim 8, characterized in that the packet (1") having two passages (3", 3') for passing the tension thread (11), two passages (6, 7) are provided in the bottom portion, each of them is positioned at about the same distance from the packet edge that the passages (3", 3') with loops (12") (fig.13). 10. The packet according to any one of claims 1 to 9, characterized in that both spaced apart elements of the end (13, 14, 13", 14") of the tension thread (11, 11") are tightly connected into a unit (22) or fixed to one label (21), said elements are provided with labels (21', 21").