Undergarment receiving a thin intermediate bonding layer between two textiles prior to thermoforming
A process for manufacturing an undergarment having two superimposed textiles, comprising depositing on certain parts of reinforcements ( 8 ) comprising a thick layer of a shaped memory foam elastic material, the polymerization of this material and also the shaping of the textiles of the undergarment by thermoforming, characterized in that it comprises a step of depositing, on the entire surface of at least the textiles, a thin layer of an elastic adhesive-bonding material, and then a step of polymerizing this thin layer of adhesive bonding during the thermoforming for shaping, and in that it comprises a step of prior depositing, on the textile receiving the layer of reinforcement ( 8 ), of a barrier layer of an elastic material, which is polymerized before the depositing of this reinforcement.
1. Manufacturing process of an undergarment with two layered textiles, the manufacturing process comprising:
depositing, on a first layered textile of the two layered textiles, an elastic material barrier layer,
after polymerizing the elastic material barrier layer on the first layered textile, depositing, on certain parts of the polymerized elastic barrier layer on the first layered textile, reinforcements comprising a reinforcement layer, the reinforcement layer comprising a thick layer of shaped memory foam elastic material,
polymerizing the reinforcement layer comprising the thick layer of shaped memory foam elastic material as well as shaping the two layered textiles of the undergarment by thermoforming, and
depositing, over a full surface of at least one of the layered textiles, a thin layer of an elastic bonding material, followed by polymerizing this thin layer of elastic bonding material during the shaping thermoforming to bond the layered textiles.
2. Manufacturing process according to claim 1 , wherein polymerizing the reinforcement layer is performed prior to polymerizing the thin layer of elastic bonding material.
3. The manufacturing process according to claim 2 , wherein depositing reinforcements comprising a reinforcement layer comprises depositing several reinforcement layers in various steps onto at least one of the two layered textiles, wherein polymerizing the reinforcement layer comprises polymerization of each layer of the various reinforcement layers, and wherein depositing several reinforcement layers comprises depositing a reinforcement layer of the several reinforcement layers after polymerization each time of a preceding layer of the several reinforcement layers.
4. Manufacturing process according to claim 1 , wherein depositing reinforcements comprising the reinforcement layer comprises depositing several reinforcement layers, including the reinforcement layer, in various steps onto at least one of the two layered textiles, wherein polymerizing the reinforcement layer comprises polymerization of each layer of the various reinforcement layers, and wherein depositing several reinforcement layers comprises depositing a reinforcement layer of the several reinforcement layers after polymerization each time of a preceding layer of the several reinforcement layers.
5. Manufacturing process according to claim 4 , wherein a last reinforcement layer of the several reinforcement layers is polymerized at the same time as the thin layer of elastic bonding material during thermoforming.
6. Manufacturing process according to claim 4 , comprising, after polymerization of the thin layer of elastic bonding material during thermoforming, a cutout step of edges of the undergarment.
7. The manufacturing process of claim 4 , wherein depositing several reinforcement layers in various steps onto at least one of the two layered textiles comprises screen printing the several reinforcement layers in various steps onto the at least one of the two layered textiles.
8. The manufacturing process of claim 1 , wherein depositing reinforcements comprising a reinforcement layer comprises screen printing the reinforcements comprising the reinforcement layer.
9. The manufacturing process of claim 1 , wherein depositing reinforcements comprising the reinforcement layer, the reinforcement layer comprising a thick layer of shaped memory foam elastic material comprises depositing the reinforcement layer comprising the thick layer of shaped memory foam elastic material according to a thickness between 0.1 mm and 3 mm.
10. The manufacturing process of claim 1 , wherein depositing a thin layer of an elastic bonding material comprises depositing the thin layer of elastic bonding material according to a thickness between 0.005 and 0.1 mm.
11. The manufacturing process according to claim 1 , comprising, after polymerization of the thin layer of elastic bonding material during thermoforming, a cutout step of edges of the undergarment.