IL30011A

IL30011A - Fabric

Info

Publication number: IL30011A
Application number: IL30011A
Authority: IL
Original assignee: Polylok Corp
Priority date: 1967-05-19
Filing date: 1968-05-16
Publication date: 1972-12-29
Also published as: US3672187A; JPS5417077B1; SE354300B; DE1760445A1; FR1578984A; CH492813A; IL30011A0; GB1214857A

Description

ABSTRACT OF THE DISCLOSURE A fabric a layer of substantially spaced apart design elements which are laid on a in the warp along nonlinear paths is The design elements are affixed to substrate and other optional components of the fabric by parallel rows of stitches forming a series of loop BACKGROUND OP THE INVENTION This invention relates to an improved fabric and to a process for making such fabrics typically a layer of parallel warp and a layer of tially parallel filling By spacing the warp the filling or an open mesh fabric may be The filling elements are affixed the by placing them together joining them by structure may on a machine of the using procedures and apparatus described in patents The ability to easily mass produce basic fabric in many different is extremely While fabrics may produced with machine at a very high fabrics he with this machine have lacked the design needed to the demands of Different designs may now only be achieved on the machine by changing colour arrangements of the by changing the between them and the number of elements and by omitting one or more of the the possibilities are It is also desirable to surface on knitted and woven goods as well as other substrates foam fibrous and various plastic Present day processes fo supplying such designs produce produpts at a relatively low British patents and and illustrate 2 of British Patent and 37 of British Patent fabrics composed of a preformed parallel relatively widely spaced loop chains formed by warp knitting through the and generally pattern yarns the backin fab ic and bound within selected loops of pattern yarns the of the said British patents as Clear f figures cited always bound the loops of the knitting and are incorporated the a technique known teohnique yarns a warp knitted fabric has long bee and in knitting fo producing warp knitted fabrics havin yarns employ two or more sets of guides that are operated guides Britis Patent On set o guides forms th British Patent the procedure for makin the fabric o 37 on lines to It is fundamental to warp knittin that the set guides carrying yarns must move coordination with the guide bar parrying knitting yarn only be carried versely across given limited number of neediest rows of four rows being about the maximum in any To provide a warp that runs diagonally and transvorses several rows and courses stitchin requires that yarns be moved laterall and in coordination with the movement of the main set of guides used form the It s quite evident that the movement of the guides to produce warp severely making in speed knitted fabric may be SUMMARY It is the primary object of tho present invention to provide a baaio fabric with a higher degre of flexibility for providing design variations therein than V types woven and as continuous substrates including fibrous er and plastic The elements of the fabr cs described and in present appl On the they are a separate and distinot substrate element of fabric in tha are in a relatively random that without to the knitted p ttern and The design elements united with other substrate elements and with the stitching b a combination of being pierced by the stitching and being lapped b segments the stitching threads The principal structural distinction between the fabric the invention and the abrics of the patents relied o the Examine in rejecting application resides in the pie aspec the knitting threads the individual design elements substantial number of random points and secure the design elements agains relative There is no piercing of the pattern yarns of the cited prior art it is Impossible for a warp yarn to be pierced and be united st tching by The abric of the invention has very important advantages over fabrics o types described in the t cited British For one there are no significant restrictions on the design patterns inasmuch as the design elements are a manner that entirely any limitation arising out of the construction of the knitted warp must be incorporated with precise coordina ion wit the fabric of the invention oan be made without slowing the machine to allow for coordinated movement sets of The advantages of providing virtually infinite variet of pattern effects t normal speed represents a very significant advance the ar and warrants the grant of The and other objects of the invention are attained in accordance with the invention by provldins a plurality of hereinafter called design which are substantially spaced apart and are laid on a flexible substrate along paths in the The paths taken by the design elements may be linear or In a portion of the design elements may linear path3 while another portion may nonlinear After the elements are they are affixed to the substrate by Knitting forming a series of loop lace and bind together substrate and the design ments into an integral The knitting thread either laps the design elemen or pierces it at Intervals to secure the element to the The design elements provide the fabric of the present Invention with an additional degree of design Many different designs may be obtained by changing the paths along which the design elements are the spacin between the design the nature of the substrate used with the design the tion of the material over which the desig elements are and the color and material of the design the basic fabric of the present invention may be designed to provide such diverse fabric end products as table upholstery and Further if the design elements may be arranged to give the fabric a The of the fabric of this tion be om any flexible the choice of which determined by the design For the elements may be predyed cotton or synthetic or the elements may be a narrow plastic A plurality of elements may be laid on the substrate from a controlled changing oblique direction with one or a plurality of element carrying moving back and forth in a lateral As as four independently movable units in the form of each guiding yarns per have been used in tion a machine to produce brics according to the present invention at high The units move independently from each a high degree of control over the design It is however that any number of units can be any desired number of decorative yarns per and this also may be depending on the size of yarn and hole in the BRIEF DESCRIPTION OF THE DRAWINGS For a better understanding of the reference is made to the following description of plary taken conjunction with the figures of the appended in 1 is a plan view of one embodiment of the fabric of the 2 is an enlarged view of a portion of the fabric o 1 showing the relationship between the a plan view of a second embodiment of the fabric of the an enlarged view of a portion of the fabric of showing the relationship between the elements is a plan view of a third embodiment of the fabric of the is an enlarged view of a portion of the of showing the relationship between the elements 7 is plan view of a fourth embodiment of the fabric of the and is an enlarged view of a portion of the fabric of showing the relationship between the elements DESCRIPTION OF THE PREFERRED In the following the corresponding elements as shown in each figure of the drawings are given the same reference and a letter suffix is added to designate specific ones of those elements when necessary In the embodiment in 1 and the design elements 2a are laid on a layer of spaced apart filling elements to provide a The design ments and the filling elements are secured in their relative s by means of knitting threads 6 which form parallel rows of war loop chains 8 and diagonally extending portions 7 which cross shares two alternate loops of each chain being parts of a first and the remaining loop3 being from a second in the form of a half tricot The filling are engaged and held on one side of the fabric by the loops of the loop chains and on the othe side by the diagonal parts of the knitting The knitting threads lock the various component in position relative to one another to form a composite In the embodiment shown in 1 and the design elements have been laid along nonlinear paths which are The apexes of adjacent paths are alternatively contiguous to each other and spaced from each other resultin in a diamond pattern over the entire This diamond effect may be easily obtained by utilizing at least two element carrying moving back and in the If all of the shaped paths may be laid parallel to each other to create a design without the diamond Other embodiments may be prepared according to this In one alternate design elements 2a may be laid on a warp instead of the filling elements with no filling The structure is held together by application of knitting threads in the form of a hal In another the structur shown in 1 and 2 contain knitting thread in the form of chain stitch or a full tricot stitch and design element both with and without filling In the embodiment of the fabric shown in and the design elements 2b are laid on the layer of filling elements and a warp 10 is laid on As in the design elements have laid along but the paths of the design elements of the fabric shown in 5 are parallel to each The knitting threads β connect and lock the 10 relative to the design elements 2b and the layer of filling elements 4 by the series of loo chains In the embodiment of the fabric shown in 5 and the design elements 2c are laid on a flexible continuous substrate 12 in the warp direction along parallel but they are laid on only near the border of the the design 2c may be laid on the solid fabric 12 along paths which are not parallel to each other to provide a diamond effect near the used in conjunction with a flexible substrate the design elements need not be restricted to the but when they are so as shown in the design renders the fabric particularly suitable for use as a The ment in may also be modified by laying a warp of spaced apart filaments on the flexible substrate beneath the design elements to provide a Still another modification may be made by laying down elements on the portion of the flexible substrate beneath the design elements to Still another modification may be made by laying down warp elements on the portion of the flexible substrate is not beneath the design elements prior to application of the knitting The flexible substrate 12 in Figure 6 is as a woven the flexible substrate 12 be a knitted a sheet of elastomeric foam of type disclosed in the and a fibrous a knitted a paper or a plastic The flexible sheet material need only be of sufficient strength that can withstand the piercing by needles required to apply the knitting thread and at the same time maintain continuous Figures 7 and 8 show an embodiment of the fabric wherein the design elements 2d have been laid on the layer of filling elements along paths cross each other at a plurality of A pleasing effect results when each of the design elements 2d are from a yam which is alternately dyed to a plurality of colors along its The embodiments of the invention are merely and many variations and modification thereof may be made by those skilled in the art without departing the spirit and scop of For the elements may follow any nonlinear path in the warp direction and need not be restricted to paths which are or sinusoidal any of the open mesh fabrics described herein may be made any of the flexible substrates described above in place of the spaced apart or filling All such variations and modifications are intended to be the scope of the invention as defined in the appended insufficientOCRQuality

Claims

WHAT WE CLAIM IS:

1. A fabric made on a stitch-through type machine such as a Malimo machine comprising a flexible substrate, a plurality of substantially spaced-apart design elements laid on the substrate along non-linear paths in the warp direction, each design element including portions of substantial length extending non-parallel to the warp direction and knitting thread forming a series of warpwise loop chains which bind together into an integral structure the substrate and design elements and which pierce the substrate end pierce the individual design elements at a substantial number of random points to secure the substrate and design elements against ■ relative displacement.

2* The fabric fof claim 1, which alternate loops in each chain are formed with a different thread, and each thread forms a series of loop chains.

3. The fabric of claim 2, wherein the knitting thread is applied as a tricot stitch.

4. The fabric of claim 1, wherein the flexible substrate is a knitted fabric.

5. The fabric of claim 1, wherein the flexible substrate is a woven fabric.

6. The fabric of claiml, wherein the flexible substrate is an elastomeric foam sheet.

7* The fabric of claim 1, wherein the flexible substrate is at least one layer of textile elements.

8. The fabric of claim 14, wherein the layer of textile elements is filling.

9. The fabric of claim 2, wherein the flexible substrate is at least one layer of textile elements.

10. The fabric of claim 1, wherein the design elements include portions of substantial length extending diagonally, relative to the warp direction, along straight lines.

11. The fabric of claim 1, wherein the design elements include portions of substantial length curving substantially uniformly.

12. The fabric of claim 1, wherein the design elements are disposed in groups composed of at least two adjacent design elements following an identical pattern.

13. The fabric of claim 1, wherein adjacent design elements form different patterns.

14. The fabric of claim 1, wherein adjacent design elements form the same pattern but one is reversed relative to the other.