US2077835A - Method of widening fabrics - Google Patents
Method of widening fabrics Download PDFInfo
- Publication number
- US2077835A US2077835A US2077835DA US2077835A US 2077835 A US2077835 A US 2077835A US 2077835D A US2077835D A US 2077835DA US 2077835 A US2077835 A US 2077835A
- Authority
- US
- United States
- Prior art keywords
- loops
- needle
- selvage
- row
- widening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B9/00—Circular knitting machines with independently-movable needles
- D04B9/42—Circular knitting machines with independently-movable needles specially adapted for producing goods of particular configuration
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B9/00—Circular knitting machines with independently-movable needles
- D04B9/42—Circular knitting machines with independently-movable needles specially adapted for producing goods of particular configuration
- D04B9/46—Circular knitting machines with independently-movable needles specially adapted for producing goods of particular configuration stockings, or portions thereof
Definitions
- the present invention relates to a method of widening fabrics for at least two loops on at knitting machines for example in the manufacture of the heel portions of a stocking.
- Fabrics of this kind have hitherto been produced either by forming new loops, i. e. by casting-on of loops, or by transferring loops. i. e. widening, for instance by transferring loops adapted to be sewn inthe selvage. Furthermore, methods are known according to which the fabric is widened by the fact that, after the formation of a row of loops, the thread guide-which may be of the usual kind-is moved beyond the selvage of the fabric for two needles and the thread, after being taken about the outer needle, is placed in front of all needles to form a new row of loops,
- the last or last but one added selvage needle be-A ing, during the formation of the next row of loops, not pressed, so that a double loop is formed 20 upon this needle.
- the thread guide is moved about two further needles beyond the edge of the fabric and the thread, after having been' taken about the outer needle, is placed in front of all needles to form a new :i5 row of loops, the selvage loop respectively at the other edge of the fabric being transferred outwardly one needle before laying the thread.
- the needle. carrying the .transferred loop is not -l0 pressed.
- Figs. 5-8 show the manufacture of further rows of loops e and f, the widening method just described being hereby repeated.
- the method of widening fabrics on flat knitting machines comprising moving the thread guide for the pitch of two needles beyond the edge lof thefabric afterv the formation of a row of loops,
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Of Fabric (AREA)
Description
April'm, 1937.
W. HEINITZ kMETHOD OF WIDENING FABRICS Filed Sept. 30, 1936 2 Sheets-Sheet l VFA ffy
@pm h MINA HHH 4 PY, l H
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fo? o April 20, 1937. w. .HElNlTz METHOD 0F WIDENING FABRICS FiledSept. 30, 1936 2 Sheets-Sheet 2 fig 6 edca Maf/a;
Patented Apr. 20, 1937 PATENT OFFICE 2,077,835 METHOD oF WIDENING FABRICS Woldemar Heinitz, Chemnitz, Germany, assigner yto Schubert & Salzer Maschinenfabrik Aktiengesellschaft, Chemnitz, Germany Applicatio 1 Claim.
The present invention relates to a method of widening fabrics for at least two loops on at knitting machines for example in the manufacture of the heel portions of a stocking.
Fabrics of this kind have hitherto been produced either by forming new loops, i. e. by casting-on of loops, or by transferring loops. i. e. widening, for instance by transferring loops adapted to be sewn inthe selvage. Furthermore, methods are known according to which the fabric is widened by the fact that, after the formation of a row of loops, the thread guide-which may be of the usual kind-is moved beyond the selvage of the fabric for two needles and the thread, after being taken about the outer needle, is placed in front of all needles to form a new row of loops,
the last or last but one added selvage needle be-A ing, during the formation of the next row of loops, not pressed, so that a double loop is formed 20 upon this needle.
These known methods, however, have proved disadvantageous, because the selvage is not elastic or, due to a too great thread reserve, of bad appearance and puffy, respectively resulting in easy tearing and diflicult sewing in of the selvage loops and-thereby in forming a selvage of bad appearance.
All these drawbacks are avoided by the method forming the subject matter of the invention by :lo the fact, that, after formation of a row of loops,
the thread guide is moved about two further needles beyond the edge of the fabric and the thread, after having been' taken about the outer needle, is placed in front of all needles to form a new :i5 row of loops, the selvage loop respectively at the other edge of the fabric being transferred outwardly one needle before laying the thread. During the formation of the new row of loops, the needle. carrying the .transferred loop is not -l0 pressed.
The advantage of this new method consists in this, that the selvage loop of this widened fabric now has the same length of thread as the selvage loop of a fabric not widened, that is to say, in the 45 present case the selvage loop has the same length n September 30, 1936, Serial No. 103,445 In Germany October 5, 1935 not widened portion, resulting ina practically g uniform seam free of objections in the whole range of the stocking after sewirig together.
In the accompanying drawings,I diagrams explaining the method according to the invention are shown by way of example in Figures 1 to 8.
As may be seen from Fig. 1, the thread guide coming from the right in row c and standing outside the needle I 2 after production ofthe usual row of loops on the needles I2-29, is after the formation of this row of loops c moved outwardly in a well known manner for the pitch of two needles I land I0. The thread is taken about the needle I0 in a manner known for selvage needles. Simultaneously the selvage loop at thev other side of Athe fabric, i. e. the loop on the needle 29, is,
as shown in Fig. 2, transferred outwardly for one ,l
' needle to the needle 30. The thread is then placed in front of all the needles Ill-29 and the row of loops d is formed, the transferred selvage loop on the needle 30 in the row of loops c being not pressed as shown in Fig. 3. At the right hand side the thread guide now moves outwardly about the needles 30 and 3l. At the left hand side of the fabric, the selvage loop, i. e. the loop on the needle I0 is then transferred outwardly for oneneedle to the needle 9 as illustrated in Fig. 4. In the moment of tickling the thread is, by the locking in throat of the knocking over sinker situated beside the needle Il, held at the side opposite the needle head, so that the thread, on lifting of the frame needles, .remains upon the side opposite the needle head. During the production of the subsequent row of loops, the selvage loop upon the needle 9 is not pressed as may be seen from Fig. 5.
Figs. 5-8 show the manufacture of further rows of loops e and f, the widening method just described being hereby repeated.
What I claim is:
The method of widening fabrics on flat knitting machines comprising moving the thread guide for the pitch of two needles beyond the edge lof thefabric afterv the formation of a row of loops,
takingA the thread about the outermost needle, transferring the selvage loop at the other edge of the fabric outwardly for one needle, simultaneously placing the thread in front of all needles for the production of a new row of loops, and preventing pressing of the needle carrying said l transferred loop respectively during the formation of a new row of loops.
WOLDEMAR HEINITZ. i
Publications (1)
Publication Number | Publication Date |
---|---|
US2077835A true US2077835A (en) | 1937-04-20 |
Family
ID=3428645
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US2077835D Expired - Lifetime US2077835A (en) | Method of widening fabrics |
Country Status (1)
Country | Link |
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US (1) | US2077835A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2730883A (en) * | 1951-02-28 | 1956-01-17 | Skole Viggo | Stocking and method of producing a ravel trap |
US2746276A (en) * | 1950-12-04 | 1956-05-22 | Phil Cord Corp | Widened knitted fabric and method of making the same |
-
0
- US US2077835D patent/US2077835A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2746276A (en) * | 1950-12-04 | 1956-05-22 | Phil Cord Corp | Widened knitted fabric and method of making the same |
US2730883A (en) * | 1951-02-28 | 1956-01-17 | Skole Viggo | Stocking and method of producing a ravel trap |
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