03.15.19
Ulrika Carlson, Billdal, Sweden; Hans Een, Mölnlycke, Sweden; and Margareta Wennerbäck, Mölnlycke, Sweden.
Assigned to Essity Hygiene and Health Aktiebolag, Göteborg, Sweden.
Filed: 11/3/08
Issued: 2/12/19
A method for producing pant-type articles having a waist-encircling portion and leg-encircling portions, each article comprising a chassis structure having at least one elastic panel, said method comprising: a) providing a first web being an elastic laminate web comprising a plurality of layers including at least one layer of an elastic film material and at least one nonwoven layer; b) stretching the first web by at least 70% of the initial non-stretched length in at least one direction to form a first stretched elastic web; c) laminating the first stretched web to a first edge portion of continuous nonwoven web being a component of the chassis structure; d) providing a second web being an elastic web comprising at least one layer of an elastic material; e) stretching the second web by at least 70% of the initial non-stretched length in at least one direction to form a second stretched elastic web; f) laminating the second stretched elastic web to a second edge portion of the continuous nonwoven web to form a composite elastic web; g) relaxing the composite elastic web formed by laminating the first and second stretched elastic webs to the continuous nonwoven web by 4-50% of the stretched length of the stretched elastic webs; and h) assembling said chassis structure from chassis components comprising the composite elastic web having the same stretched length as the composite elastic web had immediately after step g).
Assigned to Essity Hygiene and Health Aktiebolag, Göteborg, Sweden.
Filed: 11/3/08
Issued: 2/12/19
A method for producing pant-type articles having a waist-encircling portion and leg-encircling portions, each article comprising a chassis structure having at least one elastic panel, said method comprising: a) providing a first web being an elastic laminate web comprising a plurality of layers including at least one layer of an elastic film material and at least one nonwoven layer; b) stretching the first web by at least 70% of the initial non-stretched length in at least one direction to form a first stretched elastic web; c) laminating the first stretched web to a first edge portion of continuous nonwoven web being a component of the chassis structure; d) providing a second web being an elastic web comprising at least one layer of an elastic material; e) stretching the second web by at least 70% of the initial non-stretched length in at least one direction to form a second stretched elastic web; f) laminating the second stretched elastic web to a second edge portion of the continuous nonwoven web to form a composite elastic web; g) relaxing the composite elastic web formed by laminating the first and second stretched elastic webs to the continuous nonwoven web by 4-50% of the stretched length of the stretched elastic webs; and h) assembling said chassis structure from chassis components comprising the composite elastic web having the same stretched length as the composite elastic web had immediately after step g).
