Sewing – Method of sewing – Stitch forming
Reexamination Certificate
2000-12-26
2001-11-27
Izaguirre, Ismael (Department: 3765)
Sewing
Method of sewing
Stitch forming
Reexamination Certificate
active
06321669
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a threadless embroidery method for textile products and the like and, more particularly, to a threadless embroidery process that creates a breaking of a fabric material by a threadless embroidery needle so that a fuzz texture formed by the broken fabric creates a design pattern on the fabric material of the textile product.
2. Description of the Prior Art
Typically, embroidery has been used when presenting decorative designs or labels on textile products or the like. As the form of embroidery diversified, embroidery employing several layers to create a three-dimensional effect as well as the standard one layer plane embroidery have come into practice. These diversified forms lead to complex embroidery processes and increased embroidery time. The increase in the time to embroider by the machines cause difficulties when mass producing products. The problems that arise and slow the process are caused by the entanglement of embroidery thread during an embroidery process. Additionally, the snapping of embroidery thread caused by the speed of the embroidery machine frequently occurs. More delays are caused by having to change the embroidery thread each time when a different type of thread is required according to the embroidery method involved. Each of these problems causes an increase in the embroidery manufacturing time.
Of course, there have been numerous attempts to eliminate the noted problems in the embroidery method of manufacturing. On such attempt is found in U.S. Pat. No. 5,418,981 to Miller. This patent relates to baseball style adjustable caps, and more particularly to an emblem bearing cap attachment for such caps. Here, the embroidery method was basically eliminated in order to solve the noted problems.
In U.S. Pat. No. 5,592,891 to Muto, there is an embroidery data processing apparatus which processes embroidery data needed to control a sewing machine to form an embroidery pattern on one or more work sheets. In particular, the patent describes to such an apparatus for processing embroidery data which commands a sewing machine to form a shadowed embroidery pattern including an original embroidery pattern and one or more shadow embroidery patterns.
Another attempt is found in U.S. Pat. No. 5,599,416 to Kawahara. This patent relates to a thermally transferable type emblem or ornamental decoration piece made of a thermoplastic synthetic resin to be suitably used to apply a design by heating and pressing it on the surface of an object such as clothing, bags, sports or office equipment, stationery made of fiber, textile, synthetic resin, leather, and metal.
U.S. Pat. No. 5,674,591 to James et al. is directed to nonwoven fabrics having a fibrous background portion in one plane thereof and raised fibrous portions in another plane thereof. There may be two types of raised fibrous portions in another plane thereof, and there may be two types of raised portions. The basis weight of the first type of raised portion is substantially the same as the basis weight of the background portion of the non-woven fabric. The basis weight of the second type of raised potion is greater than the basis weight of the background portion.
U.S. Pat. No. 5,954,004 to Futamura relates to a method of generating embroidery data and more specifically to a method of setting a stitch pattern for an embroidery region and also to a device capable of setting the same and a program storage medium storing a program of setting the same.
U.S. Pat. No. 6,101,962 to Hinshow relates to embroidery and more particularly to a method for performing shadow work embroidery with a sewing machine which yields shadow work embroidery that looks like fine shadow work embroidery performed by hand.
However, none of the noted prior art patents have been able to eliminate the problem of an embroidery thread being snapped or becoming tangled during an embroidery process. Additionally, the prior art embroidery are slow and remain expensive because of the use of the embroidery thread.
SUMMARY OF THE INVENTION
To carry out the noted objects and other objects of the present invention, a desired design to be embroidered is formed in a mirror-like fashion on a fabric material, and a threadless embroidery needle is applied to the back side of the fabric material. Then, the threadless needle is moved up and down continuously following the design pattern of the fabric material thereby breaking the front surface of the fabric structure creating a fuzz texture forming the design on the front surface of the fabric material.
It is preferred that a textile material high in density that is easily broken, such as cotton, is used when employing the threadless embroidery method of the present invention.
In the process of embroidery, the actual operation of the threadless embroidery needle occurs on the opposite side of the fabric material from which a design pattern is to be presented. Thus, a design drawing and a punching process occur in a mirror-like fashion in a reverse method to general practices of embroidery drawing and punching of textile products. Also, when punching, a tatami technique, a well-known fill stitch technique to those skilled in the art, is used to embroider approximately 200% more finely than general embroidery so as to sufficiently break the fabric structure.
There are two possible ways to control the extent of breakage of the fabric structure, one of which is to reinforce the number of stitches. Another way is to adjust the needle size. The first method of reinforcing the number of stitches is accomplished by increasing the rotation frequency of the embroidery machine engine thus reducing the overall time needed to embroider. When the second method of adjusting the needle size is used, it is preferred rather than an ordinary plane embroidery needle to facilitate the breakage of the fabric material. Thus, textile products embroidered by the method of the present invention have a design pattern presented on the opposite side of the fabric from which the embroidery has occurred to present an effect of a scratched surface design.
Therefore, it is an object of the present invention to provide a threadless embroidery method that simplifies the embroidery process.
A further object of the present invention is to increase the rotation frequency of the embroidery machine engine to reduce the time required to embroider.
A still further object of the present invention is to utilize the fuzz texture formed by the broken fabric material as a result of the action of a threadless needle to present a design pattern created by a novel embroidery method.
An object of the invention is to have textile products and the like characterized by a threadless embroidery method wherein a design to be embroidered is formed in a mirror-like fashion on a fabric material.
A further object of the invention is to provide a threadless embroidery needle that is moved up and down continuously over a back side of the fabric material following the mirror-like design formed on a reverse side of the fabric material to break the fabric structure forming a fuzz texture on the front side of the fabric material.
Another object of the invention is to provide the fuzz texture created by the movement of the threadless embroidery needle forming the design on the front side of said fabric material.
It is an object of the invention is that the breakage of the fabric material is controlled by either reinforcing the number of embroidery stitches or by adjusting the size of the embroidery needle.
A further object of the invention is that the fabric material used is cotton.
Another object of the invention is that the fabric product is a baseball style cap with a visor projecting forward from the crown.
Another object of the invention is that the fabric products are garments.
It is an object of the invention that the fabric products are handbags and the like.
Another object of the invention is that the fabric products are footwear.
It is an object of the invention to provide a threadless embro
DADA Corp.
Izaguirre Ismael
Jacobson & Holman PLLC
LandOfFree
Threadless embroidery method does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Threadless embroidery method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Threadless embroidery method will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2582696