Textiles: knitting – Fabrics or articles – Articles
Reexamination Certificate
1998-09-04
2001-10-16
Worrell, Danny (Department: 3741)
Textiles: knitting
Fabrics or articles
Articles
C066S064000
Reexamination Certificate
active
06301939
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a method of producing a knitted article on a flat knitting machine.
For a rational manufacture of knitted articles, in particular in clothing industry, it is today required to provide as many manufacturing steps as possible on a knitting machine, so that only a few subsequent steps or no steps at all are needed. In the case of articles of clothing with fasteners, only a knitting of button holes on the knitting machine was performed. By means of a widening technique approximately round button holes can be produced. Longitudinal slot-shaped button holes can be formed by intarsia technique and horizontal slot shaped button holes can be performed by a looping technique. The buttons which correspond to the button holes must be sewn however in an additional working step. It has been recognized that the button which must be placed at the same height as the associated button hole requires a corresponding attention and therefore can be performed in a machine to a very limited extent.
On the other hand, fasteners on clothing articles are frequently needed, for example in form of buttons or button hole strips on cardigans, on reverse sides of a pullover, or on hand cuffs or pocket slots.
SUMMARY OF THE INVENTION
Accordingly, it is an object of the present invention to provide a method for producing knitted articles and a knitted article produced by it, which do not need or need only a few subsequent steps.
In keeping with these objects and with others which will become apparent hereinafter, one feature resides, briefly stated in a method of producing a knitted article on a flat knitting machine with at least two needle beds, wherein the knitted article has at least one button-shaped stitch structure as a fastener element, and the at least one button-shaped knitted structure is transformed by a local stitch aggregation into several successive knitting rows. With this button-shaped stitch structures, corresponding button holes which can be formed for example round, can be made by known widening technique.
For forming the button-shaped stitch structure, the following steps preferably can be performed:
A. Forming of stitches for a button-shaped stitch structure on one needle bed and forming tuck loops on the opposite needles of the other needle bed;
B. In both next knitting rows, forming of stitches for the button-shaped stitch structure and of tuck loops for left and right edge stitches of the button-shaped stitch structure, which have no connection to a basic knitted article;
C. Subsequently, forming of knitting rows with stitches and tuck loops in an alternating order, until the button-shaped stitch structure reaches a desired size;
D. Forming a knitting row with stitch formation on both needle beds;
E. Hanging the left edge stitch to a stitch of the basic knitted article;
F. Repeating the steps D and E for the right edge stitch;
G. Knitting a safety knitting row.
The present invention deals also with a second method of producing a knitted article on a flat knitting machine with at least two needle beds, wherein the knitted article has at least one stitch structure as a fastening element serving as a sleeve for an insertable solid body, and at least one stitch structure produced by a wedge shaping technique and closeable by a knitted-in knot thread. For producing this stitch sleeve the following steps can be preferably performed:
A. Insertion of a knot thread by means of a tuck loop in each second needle of a needle bed over a needle region whose width corresponds to the maximum diameter of the stitch structure;
B. Forming a short starting row for the stitch structure and connecting this stitch row with the knitted article by means of a tuck loop;
C. Forming further stitch rows for the stitch structure and connecting with the knitted article via a tuck loop, wherein the stitch structure is progressively alternatingly expanded at both sides until its maximum diameter is reached;
D. Forming at least two stitch rows, wherein correspondingly the edge stitch is not knitted off;
E. Forming stitch rows with progressive alternating-side reduction of the stitch number and connecting the stitch rows with the knitted article by tuck loops;
F. Inserting the warp thread by means of tuck loops in each second needle of the other needle bed over a needle region which corresponds to the maximum diameter of the stitch structure so that the knot threads are laid U-shaped around the stitch structure.
In this sleeve, subsequently a solid body can inserted, for example a button, and the sleeves are then closed by contraction and knotting of the knot thread. This type of the fastener element can also cooperate with various button holes. Instead of the button holes, loop-shaped fastener elements can be provided.
The invention also deals with a method for producing a knitted article on a flat knitting machine with at least two needle beds, wherein the knitted article has at least one loop-shaped stitch structure as a fastener element, which is formed by a small knitted strip connected at both ends with the knitted article. This fastener element can serve however not only for the receipt of the button-shaped stitch structure or the enveloped solid body or also conventional button, but also can be provided for example with tongues and cooperate with other loop-shaped fastener elements. The loop-shaped stitch structure can be formed for example by knitting only with each second needle, wherein the knitting and knot knitting needles alternate in each stitch row.
In addition to the above described methods, the present invention also deals with a knitted article which is produced by these methods.
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patent: 2393268 (1946-01-01), Rotkel
patent: 2858685 (1958-11-01), Sommers
patent: 5259209 (1993-11-01), Mitsumoto et al.
patent: 5890381 (1999-04-01), Leeke et al.
patent: 5992185 (1999-11-01), Leeke et al.
Kimmich Ulrich
Schmid Henning
Vogt Oliver
H. Stoll GmbH & Co.
Striker Michael J.
Worrell Danny
LandOfFree
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