HK1114542A - Bonded elastic - Google Patents
Bonded elastic Download PDFInfo
- Publication number
- HK1114542A HK1114542A HK08110229.4A HK08110229A HK1114542A HK 1114542 A HK1114542 A HK 1114542A HK 08110229 A HK08110229 A HK 08110229A HK 1114542 A HK1114542 A HK 1114542A
- Authority
- HK
- Hong Kong
- Prior art keywords
- adhesive film
- body member
- fabric sheet
- hem
- fold line
- Prior art date
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Description
Cross Reference to Related Applications
The present patent application claims priority from U.S. provisional patent application No.60/827218, filed 2006, 9, 28, the contents of which are incorporated herein by reference.
Technical Field
The invention relates to a bonded hem and a method of forming the same
Background
Traditionally, the elastic bands (elastic bands) used in hems, straps, and other portions of the undergarment are sewn in place near the edges of the fabric to form zigzag inlaid and folded elastic bands. However, the stitching may become loose causing invisible wear and the fabric edges may cause an uncomfortable feeling for the user. Furthermore, sewing the elastomer to the fabric is a time consuming process.
Accordingly, it is desirable to develop elastic belts having improved structural integrity and comfort. It is also desirable to provide an improved means of attaching the elastomer to the fabric.
Disclosure of Invention
According to one aspect, a method of forming a bonded hem comprises: sandwiching a body member between the first adhesive film and the second adhesive film; disposing a fabric sheet over the first adhesive film; fusing the first adhesive film to bond to the body member and the fabric sheet; inverting the fabric sheet to form a first fold line and a second fold line; and fusing the second adhesive film to bond to the fabric sheet to form a bonded hem.
According to another aspect, another method of forming a bonded hem comprises: sandwiching a body member between the first adhesive film and the second adhesive film; positioning an edge of the fabric sheet over the first adhesive film; fusing the first adhesive film to bond to the body member and the fabric sheet; inverting the fabric sheet to form a single fold line; and fusing the second adhesive film to bond to the fabric sheet to form a bonded hem.
According to another aspect, a bonded hem comprises: a body member; a first adhesive film on a first side of the body member; a second adhesive film on the second side of the body member; a folded fabric sheet extending along a fold line relative to the body member and fused to the first and second adhesive films; and an unfused hem margin region formed inwardly from the fold line.
According to another aspect, a bonded hem comprises: a body member; an adhesive film folded relative to the body member; a folded fabric sheet extending along a fold line relative to the body member and fused to the adhesive film; and an unfused hem margin region formed inwardly from the fold line.
Drawings
FIG. 1 illustrates a first step of a first method of forming a bonded hem in a sheet of fabric;
FIG. 2 illustrates a second step of the first method of forming a bonded hem in a sheet of fabric;
FIG. 3 illustrates a third step of the first method of forming a bonded hem in a sheet of fabric;
FIG. 4 illustrates a fourth step of the first method of forming a bonded hem in a sheet of fabric;
FIG. 5 illustrates a first step of a second method of forming a bonded hem in a sheet of fabric;
FIG. 6 illustrates a second step of the second method of forming a bonded hem in a sheet of fabric;
FIG. 7 illustrates a third step of the second method of forming a bonded hem in a sheet of fabric;
figure 8 illustrates a fourth step of the second method of forming a bonded hem in a sheet of fabric.
Detailed Description
Reference will now be made in detail to specific embodiments of the invention, examples of which are set forth in the following description as well. Illustrative embodiments of the invention have been described in detail, but some features that are not essential to an understanding of the invention will be apparent to those skilled in the art and have not been shown for simplicity.
Furthermore, it is to be understood that the present invention is not limited to the particular embodiments described below, and that various changes and modifications may be effected therein by one skilled in the art without departing from the spirit or scope of the invention. For example, elements and/or structures of different illustrative embodiments may be combined with each other and/or substituted for each other within the scope of this disclosure and claims. In addition, variations and modifications which are obvious to those skilled in the art after reading the specification, drawings and claims are deemed to be within the spirit and scope of the invention.
The method of forming the bonded hem 20 includes: sandwiching the body member 10 between the first adhesive film 11 and the second adhesive film 12; disposing a fabric sheet 13 over the first adhesive film 11; fusing the first adhesive film 11 to be bonded to the body member 10 and the fabric sheet 13; turning the fabric sheet 13 to form a first fold line F1 and a second fold line F2; and the second adhesive film 12 is fused to adhere to the fabric sheet 13 to form a bonded hem 20, as shown in fig. 1-4.
In the first step, the body member 10 may be interposed between the first adhesive film 11 and the second adhesive film 12, as shown in fig. 1. The first adhesive film 11 and the second adhesive film 2 may be independent, or they may be a single adhesive film folded with respect to the body member 10. For example, the body member 10 may be an elastic band. Adhesive films 11 and 12 may be made of polyurethane, thermal adhesive, or any other suitable material known to those skilled in the art. For example, adhesive films 11 and 12 may include a heat activated adhesive that melts upon application of heat from an iron or an ironing machine. The first adhesive film 11 is not as wide as the second adhesive film 12, and preferably the width of the first adhesive film 11 is about half the width of the second adhesive film 12.
In the second step, the fabric sheet 13 may be placed on the body member 10 and the first adhesive film 11, and extended away from the body member 10 as shown in fig. 2. The fabric sheet 13 may be made of polyester, cotton, nylon lycra or any other suitable material known to those skilled in the art. Heat and pressure may be applied as indicated by arrows 14a to fuse the first adhesive film 11 and cause bonding to both the body member 10 and the fabric sheet 13. Alternatively, heat and pressure may also be applied as indicated by arrows 14b to fuse second adhesive film 12.
In a third step, the sheet of fabric 13 may be turned in the direction of arrow F to form a first fold line F1 and a second fold line F2, as shown in fig. 3. The fabric sheet 13 may extend around the two adhesive films 11 and 12 to the lower side of the body member 10, as shown in fig. 4.
In a fourth step, heat and pressure may be applied as indicated by arrows 14c to fuse the second adhesive film 12, thereby causing bonding to the fabric sheet 13 and forming a bonded hem 20 having a permanent stitchless hem, as shown in fig. 4. Preferably, heat and pressure may be applied to the strip 15, wherein the strip 15 is spaced inwardly from the first fold line F1, thereby leaving an unfused hem margin region adjacent the edge region.
Thus, the first fold line F1 can cover the edges of the fabric sheet 13, body member 10, and films 11 and 12, which allows the hem to be so formed on the garment while being less irritating to the user's skin and more comfortable. Moreover, the skin-facing side of the body member 10 ' is initially formed with an optional raised bulky surface 10 ', as shown in fig. 1, which bulky surface 10 ' provides additional softness to the garment and comfort to the user. The optional raised lofty surface 10' may be formed, for example, by brushing or scraping.
Another method of forming the bonded hem 20 ' includes sandwiching the body member 10 "between the first adhesive film 11 ' and the second adhesive film 12 '; positioning the edge 16 of the fabric sheet 13 'on the first adhesive film 11'; fusing the first adhesive film 11 'to bond to the body member 10 ″ and the fabric sheet 13'; turning the fabric sheet 13 'to form a single fold line F1'; and fusing the second adhesive film 12 ' to bond to the fabric sheet 13 ' to form a bonded hem 20 ', as shown in fig. 5-8.
In the first step, the body member 10 ″ may be sandwiched between the first adhesive film 11 'and the second adhesive film 12', as shown in fig. 5. The first adhesive film 11 'and the second adhesive film 12' are separate, or they may be a single adhesive film folded with respect to the body member 10 ". For example, body member 10 "may be an elastic band. Adhesive films 11 'and 12' may be made of polyurethane, thermal adhesive, or any other suitable material known to those skilled in the art. For example, the adhesive films 11 'and 12' may include a heat activated adhesive that melts upon application of heat from an iron or an ironing machine. The first adhesive film 11 'is not as wide as the second adhesive film 12', and preferably the width of the first adhesive film 11 'is about half the width of the second adhesive film 12'.
In a second step, the edge 16 of the fabric sheet 13 'may then be placed over the body member 10 "and the first adhesive film 11' and may extend away from the body member 10", as shown in fig. 6. The fabric sheet 13' may be made of polyester, cotton, nylon lycra or any other suitable material known to those skilled in the art. The edge 16 of the fabric sheet 13 'may be formed by cutting the fabric sheet 13' with an ultrasonic cutter, but other machines known to those skilled in the art may be used. Heat and pressure may be applied as indicated by arrows 14a ' to fuse the first adhesive film 11 ' and cause bonding to both the body member 10 "and the fabric sheet 13 '. Optionally, heat and pressure may also be applied as indicated by arrows 14b 'to fuse second adhesive film 12'.
In a third step, the fabric sheet 13 ' may be turned in the direction of arrow F ' to form a single fold line F1 ', as shown in fig. 7. The fabric sheet 13 ' may extend around the two adhesive films 11 ' and 12 ' to the underside of the body member 10 ", as shown in fig. 8.
In a fourth step, heat and pressure are applied as indicated by arrows 14c 'to fuse the second adhesive film 12' to cause bonding to the fabric sheet 13 'and to form a bonded hem 20' having a permanent stitchless hem, as shown in fig. 8. Preferably, heat and pressure may be applied to the strip 15 ', wherein the strip 15 ' is spaced inwardly from the first fold line F1 ', thereby leaving an unfused hem margin region adjacent the edge region.
Thus, the first fold line F1 ' may cover the edges of the fabric sheet 13 ', body member 10 ", and films 11 ' and 12 ', which allows the hem to be so formed on a garment while being less irritating to the user's skin and more comfortable. Also, the skin facing side of body member 10 "is initially formed with an optional raised bulky surface 10 *, as shown in fig. 5, which bulky surface 10 * provides additional softness to the garment and comfort to the user. For example, the optional raised lofty surface 10 * may be formed by brushing or scraping.
The bonded hem 20 may include a body member 10; a first adhesive film 11 on a first side of the body member 10; a second adhesive film 12 on a second side of the body member 10; a folded fabric sheet 13 extending along a fold line F1 with respect to the body member 10 and fused to the first and second adhesive films 11, 12; and an unfused hem margin region formed inwardly from fold line F1, as shown in fig. 4. The first adhesive film 11 and the second adhesive film 12 may be separate films, or they may be a single adhesive film folded with respect to the body member 10.
The bonded hem 20' may include a body member 10 "; a first adhesive film 11' on a first side of the body member 10 "; a second adhesive film 12' on a second side of the body member 10 "; a folded web sheet 13 'extending relative to body member 10 "along fold line F1' and fused to first adhesive film 11 'and second adhesive film 12'; and an unfused hem margin region formed inwardly from fold line F1', as shown in fig. 8. The first adhesive film 11 'and the second adhesive film 12' may be separate films, or they may be a single adhesive film folded with respect to the body member 10 ".
It should be understood that modifications and variations as would be apparent to a person skilled in the art are not to be considered as beyond the scope of the present invention. More particularly, although not exclusively, the invention relates to elastic hems, straps, etc. of garments.
While examples of methods and articles have been described, it should be understood that the methods and articles are not limited thereto and may be modified. The methods and articles are defined by the claims, and all methods and articles that literally conform to the claims or equivalents thereof are intended to be embraced therein.
Claims (17)
1. A method of forming a bonded hem, comprising:
sandwiching a body member between the first adhesive film and the second adhesive film;
disposing a fabric sheet over the first adhesive film;
fusing the first adhesive film to bond to the body member and the fabric sheet;
turning the fabric sheet to form a first fold line and a second fold line; and is
Fusing the second adhesive film to bond to the fabric sheet such that the bonded hem is formed.
2. The method of claim 1 further comprising applying heat and pressure to form a band spaced inwardly from the first fold line and leaving an unfused hem margin region.
3. The method of claim 1, further comprising forming an elevated loft surface on one side of the body member.
4. The method of claim 1, wherein the first and second adhesive films are a single adhesive film folded relative to the body member.
5. A method of forming a bonded hem, comprising:
sandwiching a body member between the first adhesive film and the second adhesive film;
positioning an edge of a fabric sheet over the first adhesive film;
fusing the first adhesive film to bond to the body member and the fabric sheet;
inverting the fabric sheet to form a single fold line; and is
Fusing the second adhesive film to bond to the fabric sheet to form the bonded hem.
6. The method of claim 5, further comprising applying heat and pressure to form a band, wherein the band is spaced inwardly from the fold line; and leaves an unfused hem margin region.
7. The method of claim 5, further comprising forming an elevated loft surface on one side of the body member.
8. The method of claim 5, further comprising forming the edge of the fabric sheet by cutting the fabric sheet with an ultrasonic cutter.
9. The method of claim 5, wherein the first and second adhesive films are a single adhesive film folded relative to the body member.
10. A bonded hem, comprising:
a body member;
a first adhesive film on a first side of the body member;
a second adhesive film on a second side of the body member;
a folded fabric sheet extending along a fold line relative to the body member and fused to the first and second adhesive films; and
an unfused hem region formed inwardly from the fold line.
11. A bonded hem according to claim 10, wherein the body member is an elastic band.
12. The bonded hem of claim 10, wherein the adhesive film is made of a thermal adhesive.
13. A bonded hem according to claim 10, wherein the width of the first adhesive film is about half the width of the second adhesive film.
14. The bonded hem of claim 10, wherein the fabric sheet is selected to comprise: polyester, cotton, nylon lycra or combinations thereof.
15. A bonded hem, comprising:
a body member;
an adhesive film folded relative to the body member;
a folded fabric sheet folded relative to the body member along a fold line and fused to the adhesive film; and
an unfused hem region formed inwardly from the fold line.
16. The bonded hem of claim 15, wherein the adhesive film is made of a thermal adhesive.
17. The bonded hem of claim 15, wherein the fabric sheet is selected to comprise polyester, cotton, nylon lycra or combinations thereof.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US60/827,218 | 2006-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HK1114542A true HK1114542A (en) | 2008-11-07 |
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