ELASTIC LAMINAR MATERIALS WITH CURVED ELASTIC BANDS AND PRODUCTION METHODS Russian patent published in 2020 - IPC B32B7/09 B32B5/02 B32B37/10 B32B37/12 A61F13/49 A61F13/15 

FIELD: clothes; hygiene.

SUBSTANCE: invention relates to the technology of producing elasticized materials which are used in various articles of clothing and absorbent articles, and concerns elastic laminates with curved elastic bands and method of their production. Proposed method comprises advancing first and second materials in the form of substrates and stretched elastomer threads in machine direction. Method can additionally include advancement of the first and second materials in the form of substrates, between which the elastomer suture is located, into the connecting device. Coupling device comprises the first and second elements forming the bonding gap. Method may further include passing the thread back and forth in a direction across the machine and advancing the first and second materials in the form of substrates and thread through the bonding gap, and binding first and second materials in the form of substrates together using at least first and second bonds. First and second links can be placed on opposite sides of thread and carried at distance that is less than its diameter in non-stretched state, and first and second links can be located along arc-shaped part of thread.

EFFECT: invention provides formation of elasticized materials having arched or bent elastomer threads.

20 cl, 17 dwg