GB1568818A – Knitted fabrics
– Google Patents
GB1568818A – Knitted fabrics
– Google Patents
Knitted fabrics
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Info
Publication number
GB1568818A
GB1568818A
GB47151/75A
GB4715175A
GB1568818A
GB 1568818 A
GB1568818 A
GB 1568818A
GB 47151/75 A
GB47151/75 A
GB 47151/75A
GB 4715175 A
GB4715175 A
GB 4715175A
GB 1568818 A
GB1568818 A
GB 1568818A
Authority
GB
United Kingdom
Prior art keywords
needles
cylinder
fabric
dial
knitting
Prior art date
1975-11-15
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
Application number
GB47151/75A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SAFFRON KNITTING CO Ltd
Original Assignee
SAFFRON KNITTING CO Ltd
Priority date (The priority date 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 date listed.)
1975-11-15
Filing date
1975-11-15
Publication date
1980-06-04
1975-11-15
Application filed by SAFFRON KNITTING CO Ltd
filed
Critical
SAFFRON KNITTING CO Ltd
1975-11-15
Priority to GB47151/75A
priority
Critical
patent/GB1568818A/en
1976-11-11
Priority to CH1419076A
priority
patent/CH597400A5/xx
1976-11-12
Priority to BE172318A
priority
patent/BE848292A/en
1976-11-15
Priority to DE19762652053
priority
patent/DE2652053A1/en
1980-06-04
Publication of GB1568818A
publication
Critical
patent/GB1568818A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
D—TEXTILES; PAPER
D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
D04B—KNITTING
D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
D—TEXTILES; PAPER
D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
D04B—KNITTING
D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
D04B1/10—Patterned fabrics or articles
D04B1/102—Patterned fabrics or articles with stitch pattern
D—TEXTILES; PAPER
D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
D04B—KNITTING
D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
D04B15/10—Needle beds
D—TEXTILES; PAPER
D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
D04B—KNITTING
D04B7/00—Flat-bed knitting machines with independently-movable needles
D04B7/04—Flat-bed knitting machines with independently-movable needles with two sets of needles
D—TEXTILES; PAPER
D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
D04B—KNITTING
D04B9/00—Circular knitting machines with independently-movable needles
D04B9/06—Circular knitting machines with independently-movable needles with needle cylinder and dial for ribbed goods
D—TEXTILES; PAPER
D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
D10B2403/00—Details of fabric structure established in the fabric forming process
D10B2403/01—Surface features
D10B2403/011—Dissimilar front and back faces
D10B2403/0114—Dissimilar front and back faces with one or more yarns appearing predominantly on one face, e.g. plated or paralleled yarns
Description
(54) KNITTED FABRICS
(71) We, SAFFRON KNITTING
COMPANY LIMITED, a British Company of Benson Street, Leicester. LE5 4HB, do hereby declare the invention for which we pray that a patent may be granted to us to be particularly described in and by the follow mg statement:
The present invention relates to the manufacture of knitted fabrics and, in particular, such fabrics as are knitted from relatively coarse yarns (from the point of view of count or thickness), in contradistinction to fine yarns, as, for example when it is desired that body garments more particularly for outerwear, such as jerseys, should, in wear, present a front of coarse yarn. The invention is concerned also with a knitting machine for producing such a knitted fabric.
Fabrics knitted from such coarse yarns, for example, body garments or garment lengths, have correspondingly coarse backs which tend to irritate when in contact with the skin of a wearer. In addition, the stability of coarse knitted fabrics has tended not to be good because such fabrics tend to «sag» after a period of use.
In accordance with one aspect of the present invention there is provided a knitting machine for knitting a composite fabric, the machine having two needle beds in which there are provided needles of a first gauge and in the second of which there are provided needles of a second, coarser gauge, a thicker yarn which provides a facing fabric being arranged to be fed to the courser needles and a finer yarn which provides a fround fabric being arranged to be fed to the finer needles, the finer fabric being joined to the facing fabric at selected needles by knitting or tucking the finer yarn onto the coarser needles.
The ground fabric preferably extends across the whole of the back of the coarse yarn which coarse yarn provides a facing for the composite fabric. However, if desired, the backing fabric may extend across only part of the back of the facing fabric, preferably in two strips, one adjacent each lateral edge thereof.
It has been found that the ground fabric not only renders the knitted fabric more acceptable, i.e. less irritating when placed against the skin, but also increases the stability of the fabric without producing any more weight per metre than is necessary.
The fabric of the invention may be knitted upon a circular or a flat bed knitting machine but, in any event, upon such a machine havin two beds with independent needles, one bed being of a coarse gauge and the other of a finer gauge, the coarse yarns being fed to the needles in one bed and the finer yarns to the needles in the other bed.
If desired, both coarse and fine yarns may be fed to the needles normally fed with just coarse yarn thus giving rise to a plated effect in a finished fabric.
By knitting at selected feeders on dial and cylinder or selected dial and cylinder needles using a finer yarn, e.g. synthetic, this will give a two-sided fabric with a finer reverse side to the material, so improving washability, giving a better stability than is at present available on machines with coarse gauge cylinders and dials: particularly the invention helps to overcome the dropping, or lengthening, of garments made from heavy materials and provide a means of using effect yarns and heavier yarns for the face than has been practical in the past owing to being able to obtain the above advantages without excessive weight. The invention also helps to insulate the coarser yarns from the skin making the fabric more pleasant to wear.
Although any combination of needle gauge sizes could be used, e.g. such as between a 12 and 3 gauge cylinder will be suitable giving a strong enough and large enough hook to accommodate the heavier yarns, with something like an 18 gauge on the dial, set at an appropriate gating to tie in with the selected gauge of the needle cylinder.
The knitting of the fabric could be reversed, i.e. made on a coarse gauge dial and finer gauge cylinder and give a similar effect.
Once a compatible variation of gauge as between the two needle beds has been made on a machine it is possible to use any selected needles on the face. By missing out selected needles, for example alternative needles, even coarser yarns may be used.
The invention will now be described further by way of example wih reference to the accompanying drawings in which:
Figure 1 illustrates diagrammatically the cylinder and dial arrangement of a first circular knitting machine.
Figure 2 illustrates diagrammatically the cylinder and dial arrangement of a second circular knitting machine.
Figure 3 illustrates a tensioner for tensioning knitted fabric being taken down from the knitting needles or elements, and
Figure 4 is a loop structure diagram of a composite knitted fabric in accordance with the invention and as produced on the cylinder and dial arrangement of Figure 2.
In Figure 1, part of the dial of a circular knitting machine is shown generally as 10 and part of the cylinder generally as 12. The dial includes a plurality of 18 gauge needles 14 set at a gating of 3 needles to 1 on the cylinder. However, any other gating ratio may be used. The cylinder needles illustrated are 6 gauge. A typical knitting operation is set out below.
Course 1: Knit alternate needles 16a, cylinder only
Course 2: Knit intervening needles 16b, cylinder only
Course 3: Knit all needles on the dial
Course 4: Knit all needles on the dial
Course 5: Knit 2 miss 1 dial (1 missed over cylinder needles). Knit alternate cylinder 16a needles.
Course 6: Knit 2 miss 1 on the dial (1 missed over cylinder needle) knit intervening needles 16b on cylinder.
In Figure 2, the same reference numerals have been used to designate the same parts as those in Figure 1. The essential difference between the two figures is that, in Figure 2, the dial includes a plurality of 18 gauge needles 14 set at a gating of 2 needles to 1 on the cylinder, the cylinder needles being 6 gauge.
A typical knitting operation consists of the following steps:
Course 1: Knit all needles on the cylinder
Course 2: Knit all needles on the dial
Course 3: Knit all needles on the dial
Course 4: Knit alternate needles on the dial and tuck all needles on the cylinder.
The above sequence of operations produces a composite fabric having a loop structure diagram as shown in Figure 4 where the course yarn is knitted on the cylinder needles and the fine, backing yarn 20 is knitted on the dial needles. As may be seen at positions 22, the fine, backing yarn 20 is tucked into the coarse yarn so that the fine yarn does not show through onto the face of the fabric.
It will be understood that, whereas when a single thickness of fabric is knitted, whether upon a double cylinder machine or upon a flat bed, take-down means, normally in the form of rollers, are provided to tension knitted fabric being taken down from the knitting elements or rollers. In the case of the composite fabric of the invention, these take-down rollers may tend to damage certain fabrics. Referring therefore to Figure 3, the knitted fabric is tensioned by a plurality of sprung leaves 24 which are mounted to a fixed part of the knitting machine, the free ends of the leaves serving to tension knitted fabric as it is being taken down. The leaves 24 help to apply an evening out of tension on the fabric in the needles at the knitting position to balance the irregular use of thick and thin yarns knitting independantly on their respective knitting beds.
It is to be understood that the provision of the leaves 24 is an optional feature of the invention. Moreover, they may. if desired, be provided in addition to conventional take-down rollers.
The same type of knitting operations may be used for jacquard patterns, or produced through the medium of other patterning, e.g. needle selecting mechanisms. Moreover, the invention may be carried into effect on plain knitting machines, i.e. those not equipped with patterning mechanisms.
One of the problems with heavy, single thickness fabrics, i.e. those knitted from coarse yarns is that the edges tend to curl.
By providing a composite fabric at the edge portions of the fabric the tendency to curl is reduced or eliminated.
WHAT WE CLAIM IS:
1. A knitting machine for knitting a composite fabric, the machine having two needle beds in which there are provided needles of a first gauge and in the second of which there are provided needles of a second, coarser gauge, a thicker yarn which provides a facing fabric being arranged to be fed to the coarser needles and a finer yarn which provides a ground fabric being arranged to be fed to the finer needles, the finer fabric being joined to the facing fabric at selected needles by knitting or tucking the
**WARNING** end of DESC field may overlap start of CLMS **.
Claims (7)
**WARNING** start of CLMS field may overlap end of DESC **. enough hook to accommodate the heavier yarns, with something like an 18 gauge on the dial, set at an appropriate gating to tie in with the selected gauge of the needle cylinder. The knitting of the fabric could be reversed, i.e. made on a coarse gauge dial and finer gauge cylinder and give a similar effect. Once a compatible variation of gauge as between the two needle beds has been made on a machine it is possible to use any selected needles on the face. By missing out selected needles, for example alternative needles, even coarser yarns may be used. The invention will now be described further by way of example wih reference to the accompanying drawings in which: Figure 1 illustrates diagrammatically the cylinder and dial arrangement of a first circular knitting machine. Figure 2 illustrates diagrammatically the cylinder and dial arrangement of a second circular knitting machine. Figure 3 illustrates a tensioner for tensioning knitted fabric being taken down from the knitting needles or elements, and Figure 4 is a loop structure diagram of a composite knitted fabric in accordance with the invention and as produced on the cylinder and dial arrangement of Figure 2. In Figure 1, part of the dial of a circular knitting machine is shown generally as 10 and part of the cylinder generally as 12. The dial includes a plurality of 18 gauge needles 14 set at a gating of 3 needles to 1 on the cylinder. However, any other gating ratio may be used. The cylinder needles illustrated are 6 gauge. A typical knitting operation is set out below. Course 1: Knit alternate needles 16a, cylinder only Course 2: Knit intervening needles 16b, cylinder only Course 3: Knit all needles on the dial Course 4: Knit all needles on the dial Course 5: Knit 2 miss 1 dial (1 missed over cylinder needles). Knit alternate cylinder 16a needles. Course 6: Knit 2 miss 1 on the dial (1 missed over cylinder needle) knit intervening needles 16b on cylinder. In Figure 2, the same reference numerals have been used to designate the same parts as those in Figure 1. The essential difference between the two figures is that, in Figure 2, the dial includes a plurality of 18 gauge needles 14 set at a gating of 2 needles to 1 on the cylinder, the cylinder needles being 6 gauge. A typical knitting operation consists of the following steps: Course 1: Knit all needles on the cylinder Course 2: Knit all needles on the dial Course 3: Knit all needles on the dial Course 4: Knit alternate needles on the dial and tuck all needles on the cylinder. The above sequence of operations produces a composite fabric having a loop structure diagram as shown in Figure 4 where the course yarn is knitted on the cylinder needles and the fine, backing yarn 20 is knitted on the dial needles. As may be seen at positions 22, the fine, backing yarn 20 is tucked into the coarse yarn so that the fine yarn does not show through onto the face of the fabric. It will be understood that, whereas when a single thickness of fabric is knitted, whether upon a double cylinder machine or upon a flat bed, take-down means, normally in the form of rollers, are provided to tension knitted fabric being taken down from the knitting elements or rollers. In the case of the composite fabric of the invention, these take-down rollers may tend to damage certain fabrics. Referring therefore to Figure 3, the knitted fabric is tensioned by a plurality of sprung leaves 24 which are mounted to a fixed part of the knitting machine, the free ends of the leaves serving to tension knitted fabric as it is being taken down. The leaves 24 help to apply an evening out of tension on the fabric in the needles at the knitting position to balance the irregular use of thick and thin yarns knitting independantly on their respective knitting beds. It is to be understood that the provision of the leaves 24 is an optional feature of the invention. Moreover, they may. if desired, be provided in addition to conventional take-down rollers. The same type of knitting operations may be used for jacquard patterns, or produced through the medium of other patterning, e.g. needle selecting mechanisms. Moreover, the invention may be carried into effect on plain knitting machines, i.e. those not equipped with patterning mechanisms. One of the problems with heavy, single thickness fabrics, i.e. those knitted from coarse yarns is that the edges tend to curl. By providing a composite fabric at the edge portions of the fabric the tendency to curl is reduced or eliminated. WHAT WE CLAIM IS:
1. A knitting machine for knitting a composite fabric, the machine having two needle beds in which there are provided needles of a first gauge and in the second of which there are provided needles of a second, coarser gauge, a thicker yarn which provides a facing fabric being arranged to be fed to the coarser needles and a finer yarn which provides a ground fabric being arranged to be fed to the finer needles, the finer fabric being joined to the facing fabric at selected needles by knitting or tucking the
finer yarn onto the coarser needles.
2. A knitting machine as claimed in
Claim 1 which is a circular knitting machine of the cylinder and dial type and in which the coarser gauge bed is the needle cylinder.
3. A knitting machine as claimed in
Claim 1 in which a flat bed knitting machine is utilised.
4. A composite knitted fabric whenever produced by the method of Claim 1.
5. A fabric as claimed in Claim 4 in which the backing fabric extends in two strips one adjacent each lateral edge of the front or facing fabric.
6. A knitting machine for knitting a composite fabric substantially as herein described with reference to and as illustrated in Figures 1, 2 or 3 of the accompanying drawings.
7. A composite knitted fabric substantially as herein described with reference to and as illustrated in Figure 4 of the accompanying drawings.
GB47151/75A
1975-11-15
1975-11-15
Knitted fabrics
Expired
GB1568818A
(en)
Priority Applications (4)
Application Number
Priority Date
Filing Date
Title
GB47151/75A
GB1568818A
(en)
1975-11-15
1975-11-15
Knitted fabrics
CH1419076A
CH597400A5
(en)
1975-11-15
1976-11-11
BE172318A
BE848292A
(en)
1975-11-15
1976-11-12
KNITTED FABRICS,
DE19762652053
DE2652053A1
(en)
1975-11-15
1976-11-15
COMPOSED KNITWEAR AND KNITTING MACHINE USED TO MAKE IT
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
GB47151/75A
GB1568818A
(en)
1975-11-15
1975-11-15
Knitted fabrics
Publications (1)
Publication Number
Publication Date
GB1568818A
true
GB1568818A
(en)
1980-06-04
Family
ID=10443930
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB47151/75A
Expired
GB1568818A
(en)
1975-11-15
1975-11-15
Knitted fabrics
Country Status (4)
Country
Link
BE
(1)
BE848292A
(en)
CH
(1)
CH597400A5
(en)
DE
(1)
DE2652053A1
(en)
GB
(1)
GB1568818A
(en)
Cited By (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2256655A
(en)
*
1991-06-13
1992-12-16
Gen Motors Corp
Fabric and knitting.
EP1612310A1
(en)
*
2004-07-02
2006-01-04
Sara Lee Corporation
Method for degauged knitting and thus obtained article
Families Citing this family (3)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB9101444D0
(en)
*
1991-01-23
1991-03-06
Courtaulds Advanced Materials
Thermal insulation materials
FR2724949A1
(en)
*
1994-09-26
1996-03-29
Persigny Thomas Sarl Ets
Flatbed knitter for garment prodn.
DE19739239C1
(en)
*
1997-09-09
1998-10-29
Stoll & Co H
Effect fabric obtained by flat bed knitting with different stitch sizes within row
1975
1975-11-15
GB
GB47151/75A
patent/GB1568818A/en
not_active
Expired
1976
1976-11-11
CH
CH1419076A
patent/CH597400A5/xx
not_active
IP Right Cessation
1976-11-12
BE
BE172318A
patent/BE848292A/en
unknown
1976-11-15
DE
DE19762652053
patent/DE2652053A1/en
not_active
Withdrawn
Cited By (4)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2256655A
(en)
*
1991-06-13
1992-12-16
Gen Motors Corp
Fabric and knitting.
GB2256655B
(en)
*
1991-06-13
1995-08-30
Gen Motors Corp
Fabric and knitting
EP1612310A1
(en)
*
2004-07-02
2006-01-04
Sara Lee Corporation
Method for degauged knitting and thus obtained article
FR2872522A1
(en)
*
2004-07-02
2006-01-06
Lee Sara Corp
METHOD FOR KNITTING IN A DEGAUGE AND ARTICLE THUS OBTAINED
Also Published As
Publication number
Publication date
BE848292A
(en)
1977-03-01
CH597400A5
(en)
1978-04-14
DE2652053A1
(en)
1977-05-18
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Legal Events
Date
Code
Title
Description
1980-08-20
PS
Patent sealed
1985-06-26
PCNP
Patent ceased through non-payment of renewal fee
