US1618798A - Machine-made lace and process of manufacturing same - Google Patents
Machine-made lace and process of manufacturing same Download PDFInfo
- Publication number
- US1618798A US1618798A US652108A US65210823A US1618798A US 1618798 A US1618798 A US 1618798A US 652108 A US652108 A US 652108A US 65210823 A US65210823 A US 65210823A US 1618798 A US1618798 A US 1618798A
- Authority
- US
- United States
- Prior art keywords
- threads
- lace
- machine
- spindles
- purl
- 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
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
Definitions
- This invention relates to the manufacture of machine made lace having a purl effect. Hitherto when purls have been made it has been necessary to employ special threads which were drawn out oi the lace in order to form the purls.
- the invention is illustrated by the accompanying drawing which shows how the invention is carried out on a braiding inachine, that is, a machine in which each thread is carried' by a separate spindle or bobbin and the spindles move around a track which is substantially circular except that the spindles can move in and out slightly so as to cross one another and thus to twist the threads together, the lace being taken up on a mandrel arranged on the axis of the track.
- a braiding inachine that is, a machine in which each thread is carried' by a separate spindle or bobbin and the spindles move around a track which is substantially circular except that the spindles can move in and out slightly so as to cross one another and thus to twist the threads together, the lace being taken up on a mandrel arranged on the axis of the track.
- Figure 1 shows the movements of sixteen spindles numbered 1 to 16 and Figure?J represents d iagrammatically and to a very much enlarfred. scale the lace producedby the movements shown in Figure 1.
- the threads on spindles 1 to 8 are more heavily weighted than the threads on spindles 9 to 16 and this is illustrated in the drawing by showing the movements ot' spindles 1 to 8 in thicker lines than the movements ot spindles 9 to 16.
- the bar lettered A -B in Figure 2 is produced by the movements ot the spindles between the points a, Z), of Figure 1, the threads carried by the spindles 3, Ll,'11 and 12, are twisted together for the first part of that bar and then the Vbar is divided as it were where the purl lettered C in Figure s is to be produced, and from the point c to the point (Z the threads on spindles 11 and 12 only are twisted together while the threads on spindles 3 and 4 are allowed to run straight; from the point (Z to the point Z) the. tour threads are again twisted together.
- Machine made lace having purls, each ot which is formed solely by a portion of the threads being twisted together in that part otl the lace in which the purls occur; the remaining threads or' that portion running straight; and vall of the threads being twisted together' after the purl.
- Machine made lace having purls7 each of which is toi-ined by a portion of the threads being twisted together in that part ot' the lace in which the piirrs occur;
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Textile Engineering (AREA)
- Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
Description
Feb. 22 1927.
c. w. BIRKIN ET AL Filed July 17, l923` Patented Feb. 22, 1927.
UNITED STATES VPATENT orifice.'
CHARLES WILFRED BIRKIN, OF RADCLIFFE-ON-TRENT, AND HAR-RY LAWRENCE BIR- KIN AND ALBERT COXON, OF NOTTNGHAM, ENG-LAND, ASSIGNRS TO BIRKN AND COMPANY,` 0F NOTTINGHAM, ENGLAND.
MACHINE-MADE LACE AND PROCESS OF MANUFACTURING SAME.
Application filed July 17, 1923, Serial No. 652,108, and-n Great Britain March 2, 1923.
This inventionrelates to the manufacture of machine made lace having a purl effect. Hitherto when purls have been made it has been necessary to employ special threads which were drawn out oi the lace in order to form the purls.
According to this invention we maire purls in the bars or network of any part ywhile the other thread or threads are allowed to run straight for a time after which all the threads of the bar or part are twisted together again. The straight thread or threads cause the twisted threads to bunch together and thus to form a purl. Pret erably the thread or threads which are thus allowed to run straight during the formation ot a purl are more heavily weighted than the threads which form the purl.
The invention is illustrated by the accompanying drawing which shows how the invention is carried out on a braiding inachine, that is, a machine in which each thread is carried' by a separate spindle or bobbin and the spindles move around a track which is substantially circular except that the spindles can move in and out slightly so as to cross one another and thus to twist the threads together, the lace being taken up on a mandrel arranged on the axis of the track.
Figure 1 shows the movements of sixteen spindles numbered 1 to 16 and Figure?J represents d iagrammatically and to a very much enlarfred. scale the lace producedby the movements shown in Figure 1. The threads on spindles 1 to 8 are more heavily weighted than the threads on spindles 9 to 16 and this is illustrated in the drawing by showing the movements ot' spindles 1 to 8 in thicker lines than the movements ot spindles 9 to 16. It will be understood that the bar lettered A -B in Figure 2 is produced by the movements ot the spindles between the points a, Z), of Figure 1, the threads carried by the spindles 3, Ll,'11 and 12, are twisted together for the first part of that bar and then the Vbar is divided as it were where the purl lettered C in Figure s is to be produced, and from the point c to the point (Z the threads on spindles 11 and 12 only are twisted together while the threads on spindles 3 and 4 are allowed to run straight; from the point (Z to the point Z) the. tour threads are again twisted together. rhe resultI is that the straight threads on spindles 3 and 4 pull the points c and d as it were together and the threads 11 and 12 twisted together between the points c and (Z are bunched together to torni the purl C. Aln a similar' manner the piii'l E is formed by twisting together the threads 13 and 14 while the threads' aiid8 are allowed to run straight. The other purls shown in Figure 2 are similarly produced as can be seen by comparing Figure 2 with Figure 1. In some cases we may allow one thread only instead of two threads as above described to run straight during the forniation ot a purl.
1. Machine made lace having purls, each ot which is formed solely by a portion of the threads being twisted together in that part otl the lace in which the purls occur; the remaining threads or' that portion running straight; and vall of the threads being twisted together' after the purl.
Machine made lace having purls7 each of which is toi-ined by a portion of the threads being twisted together in that part ot' the lace in which the piirrs occur; the
'remaining threads ot that portion being more heavily weighted and running straight;
the threads being all Ytwisted together al'tci'` the purl.
3. A, process forinalnng a purl in machine made hice which consists solely in twisting together a number of threads tor a portion oic the part ot the lace in which the purl is to occur, then twistii'ig together some only
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8591/23A GB214424A (en) | 1923-03-26 | 1923-03-26 | Improvements in the manufacture of lace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1618798A true US1618798A (en) | 1927-02-22 |
Family
ID=9855422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US652108A Expired - Lifetime US1618798A (en) | 1923-03-26 | 1923-07-17 | Machine-made lace and process of manufacturing same |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1618798A (en) |
| DE (1) | DE428449C (en) |
| FR (1) | FR569164A (en) |
| GB (1) | GB214424A (en) |
| NL (1) | NL17440C (en) |
-
0
- NL NL17440D patent/NL17440C/xx active
-
1923
- 1923-03-26 GB GB8591/23A patent/GB214424A/en not_active Expired
- 1923-07-12 DE DEB110380D patent/DE428449C/en not_active Expired
- 1923-07-17 US US652108A patent/US1618798A/en not_active Expired - Lifetime
- 1923-07-30 FR FR569164D patent/FR569164A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE428449C (en) | 1926-05-05 |
| NL17440C (en) | |
| FR569164A (en) | 1924-04-08 |
| GB214424A (en) | 1924-04-24 |
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