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CN-121986981-A - Multi-layer bottom pad underpants and preparation method thereof

CN121986981ACN 121986981 ACN121986981 ACN 121986981ACN-121986981-A

Abstract

The invention relates to the technical field of underwear and discloses a multi-layer bottom pad underpants and a preparation method thereof, wherein the multi-layer bottom pad underpants comprises a front piece, a rear piece and a superposed crotch piece, wherein the superposed crotch piece comprises a bottom crotch piece, an outer crotch piece, a middle crotch piece and an inner crotch piece, and the superposed crotch piece adopts a three-layer superposed liner structure to match with an underpants structure formed by the bottom crotch piece, the front piece and the rear piece, and the inner crotch piece, the middle crotch piece and the outer crotch piece are respectively a toner layer, a water-absorbing layer and a waterproof and leakproof breathable layer, so that the inner crotch piece, the middle crotch piece and the outer crotch piece can be effectively absorbed and prevented from being penetrated to the outside of the crotch by endocrine and other liquids, the embarrassment caused by the fact that all female friends are protruded in the front period and the rear period of the menstrual period is solved, the multi-layer bottom pad underpants is also suitable for conveniently disassembling and separating sanitary napkins during the menstrual period, and side wings of the sanitary napkins can be folded to a gap between the bottom crotch piece and the outer crotch piece, and the attractiveness and comfort are improved.

Inventors

  • LAI QINHONG

Assignees

  • 汕头市潮阳区欣尼诗针织内衣厂

Dates

Publication Date
20260508
Application Date
20260212

Claims (10)

  1. 1. A multi-layered underlayment pant comprising: A front sheet (1); a rear sheet (2) connected to the front sheet (1); a superposed crotch panel (3) connected between the front panel (1) and the rear panel (2); The folding type crotch piece (3) comprises a bottom crotch piece (300), an outer crotch piece (301), a middle crotch piece (302) and an inner crotch piece (303) which are sequentially stacked from bottom to top, the outer crotch piece (301) comprises an integrally formed bearing part (3010) and bending surrounding parts (3011) distributed on two sides of the bearing part (3010), the two bending surrounding parts (3011) are bent from the corresponding sides of the middle crotch piece (302) and the inner crotch piece (303) and are coated on the outer sides of the middle crotch piece (302) and the inner crotch piece (303), the bending surrounding parts (3011) are connected with the inner crotch piece (303) in a contact area with the upper surface of the inner crotch piece (303), the bearing part (3010), the middle crotch piece (302) and the inner crotch piece (303) are identical in shape, and the bearing part (3010) is detachably contacted with the bottom crotch piece (300).
  2. 2. The multi-layered under-pad underpants according to claim 1, wherein a pressure-sensitive adhesive (4) is connected between the curved surrounding portion (3011) and the area where the upper surface of the inner crotch panel (303) is in contact, and the upper and lower surfaces of the pressure-sensitive adhesive (4) are bonded to the curved surrounding portion (3011) and the inner crotch panel (303), respectively.
  3. 3. The multi-layered under-pad underpants according to claim 2, wherein the curved surrounding portion (3011), the pressing glue (4) and the bearing portion (3010) have the same side radian and length, the large arc ends of the crotch piece (300), the bearing portion (3010), the curved surrounding portion (3011), the pressing glue (4), the middle crotch piece (302) and the inner crotch piece (303) are all connected with the front piece (1), and the small arc ends of the crotch piece (300), the bearing portion (3010), the curved surrounding portion (3011), the pressing glue (4), the middle crotch piece (302) and the inner crotch piece (303) are all connected with the rear piece (2).
  4. 4. The multi-layered under-pad underpants according to claim 1, wherein the side arc of the curved surrounding portion (3011) is the same as the side arc of the carrying portion (3010), and the side length of the curved surrounding portion (3011) is smaller than the side length of the carrying portion (3010), and the area between both ends of the curved surrounding portion (3011) and both ends of the carrying portion (3010) is a sewn area.
  5. 5. The multi-layered underdrawers as claimed in claim 4, wherein the large arc-shaped end of the carrying part (3010) is connected to the front panel (1) and the small arc-shaped end of the carrying part (3010) is connected to the rear panel (2).
  6. 6. The multi-layer under-pad underpants according to claim 5, wherein two first adhesive pieces (501) are symmetrically arranged on the carrying part (3010) in a sewing mode, a second adhesive piece (502) is symmetrically arranged on the bending surrounding part (3011) and is sewn on the area symmetrical to the first adhesive pieces (501), the radian and the length of the side edge of the first adhesive piece (501) are the same as those of the carrying part (3010), and the radian and the length of the side edge of the second adhesive piece (502) are the same as those of the bending surrounding part (3011).
  7. 7. The multi-layered bottom underpants according to claim 6, wherein the upper surface of the middle crotch piece (302) is sewed with two bonding pieces three (601) symmetrically arranged, the lower surface of the middle crotch piece (302) is sewed with two bonding pieces four (602) symmetrically arranged, and the radian and the length of the bonding pieces four (602) are the same as those of the bonding pieces one (501).
  8. 8. The multi-layered underseat pants according to claim 7, wherein the upper surface of the inner crotch panel (303) is sewn with two bonding members five (701) symmetrically arranged, the lower surface of the inner crotch panel (303) is sewn with two bonding members six (702) symmetrically arranged, the radian and the length of the bonding members six (702) are the same as those of the bonding members three (601), and the radian and the length of the bonding members five (701) are the same as those of the bonding members two (502).
  9. 9. A preparation method of multi-layer bottom pad underpants is characterized in that, a multi-layered undergarments for use in making the undergarments of claim 3 comprising the steps of: Step one, cutting to prepare a front sheet (1), a rear sheet (2), a bottom crotch sheet (300), an outer crotch sheet (301), a middle crotch sheet (302) and an inner crotch sheet (303); Sequentially stacking a bottom crotch piece (300), an outer crotch piece (301), a middle crotch piece (302) and an inner crotch piece (303), bonding adhesive (4) on two side edge areas of the upper surface of the inner crotch piece (303), bending and bonding a bending surrounding part (3011) to the adhesive (4), and performing hot pressing treatment on the covering areas of the bending surrounding part (3011) and the adhesive (4) by adopting a hot press to form an integral inner liner crotch piece structure of the outer crotch piece (301), the middle crotch piece (302) and the inner crotch piece (303); And thirdly, sewing the integral liner crotch piece structure formed by the front piece (1), the rear piece (2), the bottom crotch piece (300), the outer crotch piece (301), the middle crotch piece (302) and the inner crotch piece (303) to form finished underpants.
  10. 10. A preparation method of multi-layer bottom pad underpants is characterized in that, a multi-layered undergarments for use in making the undergarments of claim 8 comprising the steps of: Step one, cutting and preparing a front sheet (1), a rear sheet (2), a bottom crotch sheet (300), an outer crotch sheet (301), a middle crotch sheet (302), an inner crotch sheet (303), a first bonding piece (501), a second bonding piece (502), a third bonding piece (601), a fourth bonding piece (602), a fifth bonding piece (701) and a sixth bonding piece (702); Step two, sewing the first adhesive piece (501) and the second adhesive piece (502) at the set areas on the bearing part (3010) and the bending surrounding part (3011), sewing the third adhesive piece (601) and the fourth adhesive piece (602) at the set areas on the middle crotch piece (302), and sewing the fifth adhesive piece (701) and the sixth adhesive piece (702) at the set areas on the inner crotch piece (303); Step three, sewing the crotch piece (300), the bearing part (3010), the front piece (1) and the rear piece (2); step four, adhering the middle crotch piece (302) to the bearing part (3010), enabling the adhesive piece IV (602) to be closely attached to the adhesive piece I (501), adhering the inner crotch piece (303) to the middle crotch piece (302), and enabling the adhesive piece VI (702) to be closely attached to the adhesive piece III (601); And fifthly, bending the bending surrounding part (3011) and wrapping the middle crotch piece (302) and the inner crotch piece (303), and finally enabling the adhesive piece II (502) to be tightly attached with the adhesive piece III (701) to form finished underpants.

Description

Multi-layer bottom pad underpants and preparation method thereof Technical Field The invention relates to the technical field of underwear, in particular to multilayer bottom pad underpants and a preparation method thereof. Background The prior underpants are made into a complete underpants shape according to the wearing requirement of physiological parts of crotch, abdomen and thigh, or are opened and closed only at a certain part and still form a complete underpants shape, so as to be worn next to the skin for a plurality of times for a long time. Because of human physiology effect, especially the physiological change of adult female is frequent and obvious, in daily life, discharges the endocrine at daily and irregular, and the excessive crotch area that pollutes the pants, present women's pants, it is mostly two-layer type superimposed structure designs, contains the pure cotton inside crotch and the outside crotch that does not contact with skin direct contact, and the material of outside crotch can be changeable, but this kind of design, can not effectually prevent the endocrine from permeating from crotch area, easily leads to the endocrine to permeate from this area to other clothing on. Disclosure of Invention The present invention has been made to solve the above problems, and an object of the present invention is to provide a multi-layered under-pad underpants and a method for manufacturing the same. The present invention provides a multi-layered underlayment pant comprising: A front sheet; A rear panel connected to the front panel; a superposed crotch panel connected between the front and rear panels; The utility model provides a folding crotch piece, including from supreme end crotch piece, outer crotch piece, well crotch piece and the interior crotch piece of stacking in proper order down, outer crotch piece includes integrated into one piece's carrier part and distributes the crooked surrounding portion in carrier part both sides, two crooked surrounding portion is crooked and cladding in the outside of well crotch piece and interior crotch piece from the corresponding side of crotch piece and interior crotch piece, and crooked surrounding portion is connected with interior crotch piece with the region of interior crotch piece upper surface contact, carrier part, well crotch piece and interior crotch piece's shape is the same, carrier part and the separable contact of end crotch piece. As a further optimized scheme of the invention, a pressing glue is connected between the contact area of the bending surrounding part and the upper surface of the inner crotch piece, and the upper surface and the lower surface of the pressing glue are respectively adhered with the bending surrounding part and the inner crotch piece. As a further optimization scheme of the invention, the radian and the length of the side edges of the bending surrounding part, the glue pressing part and the bearing part are the same, the large arc-shaped ends of the bottom crotch piece, the bearing part, the bending surrounding part, the glue pressing part, the middle crotch piece and the inner crotch piece are all connected with the front piece in a sewing or sticking way, and the small arc-shaped ends of the bottom crotch piece, the bearing part, the bending surrounding part, the glue pressing part, the middle crotch piece and the inner crotch piece are all connected with the rear piece in a sewing or sticking way. A method for preparing a multi-layered underlayment pant, for preparing a multi-layered underlayment pant as described above, comprising the steps of: step one, cutting to prepare a front sheet, a rear sheet, a bottom crotch sheet, an outer crotch sheet, a middle crotch sheet and an inner crotch sheet; Sequentially stacking the bottom crotch piece, the outer crotch piece, the middle crotch piece and the inner crotch piece, attaching glue to the areas on two side edges of the upper surface of the inner crotch piece, bending and attaching the bending surrounding part to the glue, and performing hot pressing treatment on the bending surrounding part and the glue-pressing coverage area by adopting a hot press to form an integral inner liner crotch piece structure; And thirdly, sewing the integral liner crotch piece structure formed by the front piece, the rear piece, the bottom crotch piece, the outer crotch piece, the middle crotch piece and the inner crotch piece to form finished underpants. As a further optimization scheme of the invention, the side radian of the bending surrounding part is the same as the side radian of the bearing part, the side length of the bending surrounding part is smaller than that of the bearing part, and the area between the two ends of the bending surrounding part and the two ends of the bearing part is a stitching area. As a further optimization scheme of the invention, the large arc-shaped end of the bearing part is connected with the front piece in a sewing or sticking way, and the small