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Welcome You All
Topic: Double Cloth
Submitted ByMd. Isarot HossanID: 142014001Department of Textile Engineering
Green University of Bangladesh
ContentsObjectives.What is Double Cloth?Classification of double cloth.Self stitched double cloth.Learning Outcomes.
Objectives………..There are two objectives in producing double cloths :
(a) To enhance the thermal resistance value of the fabric, and
(b) To give a good appearance and feel.
What is Double Cloth?Double cloths are those fabrics which consist of two layers of threads that are woven one above the other and stitched together.
Classification of double clothDouble cloths are classified into the following categories
Double cloths constructed on the principle of • Self thread stitching.• Center thread stitching.• Stitching by thread inter-change.• Cloth inter-change.• Alternately as single and double cloths
Self stitched double clothIn a self stitched double cloth, one series of warp and weft interlace to form the face fabric and the other series of warp and weft interlace to form the back fabric.Self stitched double cloths are constructed by the following methods:(a) Stitching from face to back(b) Stitching from back to face(c) Combination stitching.
Stitching from face to back8 F F F F
7 F F F F
6 F F F F
5 F F F F
4 F F F F
3 F F F F
2 F F F F
1 F F F F
# 1 2 3 4 5 6 7 8
FACE CLOTH
viii B B B B
Vii B B B B
Vi B B B B
V B B B Biv B B B Biii B B B Bii B B B Bi B B B B# i ii iii iv v vi vi
iviii
BACK CLOTH
viii O B B B B8 F F F FVii O B B B B7 F F F FVi O B B B B6 F F F FV B B B B O5 F F F Fiv B B B B O4 F F F Fiii B B B O B3 F F F Fii B B O B B2 F F F Fi B O B B B1 F F F F# 1 i 2 ii 3 iii 4 iv 5 v 6 vi 7 vii 8 viii
DESIGN
Stitching from back to face
5 F F F F
4 F F F F
3 F F F F
2 F F F F
1 F F F F
# 1 2 3 4 5
FACE CLOTH
v B
iv B
iii B
ii B
i B
# i ii iii iv v
BACK CLOTH
V O O O O O B
5 F F F F F
iv O O B O O O
4 F F F F
iii O O O O B O
3 F F F F
ii O B O O O O
2 F F F F
i O O O B O O
1 F F F F
# 1 i 2 ii 3 iii 4 iv 5 v
DESIGN
F= Face cloth,B=Back cloth,O=Stitching back warp with face weft, =Stitching face warp with back weft
Combination stitching
8 F F F F
7 F F F F
6 F F F F
5 F F F F
4 F F F F
3 F F F F
2 F F F F
1 F F F F
# 1 2 3 4 5 6 7 8
FACE CLOTH
viii B B B B
Vii B B B BVi B B B B
V B B B Biv B B B B
iii B B B B
ii B B B Bi B B B B# i ii iii iv v vi vi
iviii
BACK CLOTH
O B B B B
F F F F
O B B B B
F F F F
O B B B B
F F F F
B B B B O
F F F F
B B B B O
F F F F
B B B O B
F F F F
B B O B B
F F F F
B O B B B
F F F F
DESIGN
F= Face cloth,B=Back cloth,O=Stitching back warp with face weft, =Stitching face warp with back weft
End UsedDouble cloths find uses in industrial applications such as hose pipes, filter cloths, insulation fabrics etc.
They are also used in overcoats where a thin fabric is used as internal cloth and a heavier fabric is used as outer cloth.
Learning Outcomes………
Any Question???
