Difference between Rib, interlock and plain

Comparison among plain single jersey, plain rib and plain interlock fabric

points	Plain s/j fabric	Plain rib fabric	Plain interlock fabric
1.appearance	Face and back side are different	Face and back side are identical	Face and back side are same
2.visibility of Wales	Clearly visible on the face side	Face and back side are identical.	Wales of each side are exactly opposite to each other and locked together
3.extensibility	Widthwise extensibility is twice than lengthwise extensibility	Width and lengthwise extensibility is twice than single jersey	Elongation is same as single jersey
4.curling tendency	Curling occurs at the edges	No curling tendency	No curling tendency
5.thickness	Approximately  twice of yarn diameter	Approximately twice than single jersey	twice than single jersey
7.series of loops	One series of knitted loop for per course	Two series of loops	Two series of loops
8. Derivatives	Single lacoste ,Double lacoste.,Single pique,Polo pique/Double pique,Two thread fleece,Three thread fleece,French terry etc.	2×2 rib,Half cardigan or royal rib,Full cardigan or polka rib,Swiss double pique,French double pique	Single pique or cross tucks interlock,Jersey cord.Eight lock.

Comparison between RIB and INTERLOCK circular knitting machine:

RIB	Interlock
1.Rib has vertical cord appearance	1.it has the technical face of plain fabrics on both sides
2.one type of latch needle is used	2.two types of latch needle is used.
3.one feeder is used at yarn feeding	3.at least two feeders are used
4.relaxation is less	4.more relaxation
5.Dial and cylinder needles are opposite but placed in same sequence.	5. Dial and cylinder needles are opposite and alternatively placed
6.it is not so thick and heavy structure	6. it is so thick and heavy structure
More production rate	7. less production rate
8.used to produce tops of socks, cuffs ,sleeves ,bottom edges of sweaters ,knit hats, means hosiery	8.used to produce underwear, shirts, suits, trousers suits, sports wear, dress