Semi Automatic machines

Suitable forPillow/cushions and small mattresses
Foam dimension
(W x H x L)
875 x 234 x 3000 mm
SealLine welding > 900 mm
Cycle time per unit<20 s
Machine weight300 kg
Electricity supply230 V 50 Hz, or customised
Air pressure6 ato
European Patent No.2714522
StockinetteHeynen systems manufactures the special pre-packed polyamide or polyester TRICOVER knitted tricot / knitwear

Tricover D4 / D5

It takes <20 s to wrap a pillow in the interliner. Cushions of different sizes and shapes can be covered without changing the machine settings.

For convenience, the machine (1130 x 1930 x 2085 mm, 300 kg)  comes in 2 variants.

Please click on the type to see how it works:

D4 horizontal for all types of foam cushions/pillows and thin, soft foam sheets.

D5 vertical for all types of foam cushions/pillows.

Suitable forMattresses (and pillows!)
Foam dimension
(W x H x L)
2000 x 320 x 2200 mm
Sealpoint welding
Cycle time per unit<20 sec
Weight760 kg
Electricity supply230 V 50 Hz, or customised
Air pressure6 ato
European Patent No.2714522
StockinetteHeynen systems manufactures the special pre-packed polyamide or polyester TRICOVER knitted tricot / knitwear

Tricover E4

It takes <20 s to wrap a mattress in the interliner. Mattresses of different sizes and shapes can be covered without changing the machine settings.

Its vertical placement (1190 x 3010 x 5710 mm, 760 kg) is designed for space efficiency.

To see the machine in action please click on: Tricover E4

Suitable forMattresses
Foam dimension
(W x H x L)
2200 x 380 x 2200 mm
SealLine welding
Cycle time per unit<20 s
Weight1200 kg
Electricity supply230 V 50 Hz, or customised
Air pressure6 ato
European Patent No.2714522
StockinetteHeynen systems manufactures the special pre-packed polyamide or polyester TRICOVER knitted tricot / knitwear

Tricover F2 / Combi Grauff

It takes < 20 s to wrap a mattress in the interliner. Mattresses of different sizes can be covered subsequently without changing the machine settings. This horizontal machine (4900 x 1600 x 2690 mm 1200 kg) is especially designed for heavy latex mattresses. Heynen Systems supplies the entire system: Tricover F2 and the knitted Tricover tricot, pre-packed in a special way to suit its use.

To see it in action please click on  Tricover F2 machine.

Alternatively, Tricover F2 provides an additional integrated feature, where after the interliner, the foam is encapsulated in the outer cover.

To see it in action please click on Tricover F2 Combi Grauff.

Suitable forPillow/cushions and small mattresses
Foam dimension
(W x H x L)
880 X 270 X 3000 mm
SealWelded point
Cycle time per unit<10 s
Weight150KG
Electricity supply230 V 50 Hz, or customised
Air pressure6 ato
European Patent No.2714522
StockinetteHeynen systems manufactures the special pre-packed polyamide or polyester TRICOVER knitted tricot / knitwear

Tricover G4

It takes < 10 s to wrap a pillow in the interliner. Cushions of different sizes and shapes can be covered without changing the machine settings.

The dimensions of Tricover G4 are 2750 x 650 x 1836 mm, with weight amounting to 150 kg.

To see it in action please click on Tricover G4 machine.

Suitable forMattresses
Foam dimension
880 x 270 x 3000 mm
SealLine welding
Temperature settings for welding systemIC controlled
Cycle time per unit<30 sec
Weight220 kg
Electricity supply230 V 50 Hz, or customised
Air pressure6 ato
European Patent No.2714522
StockinetteHeynen systems manufactures the special pre-packed polyamide or polyester TRICOVER knitted tricot

Tricover H1

It takes < 30 s to wrap a mattress in the interliner. Different sizes and cores can be covered subsequently without changing the machine settings. The sock is closed with a longitudinal beam.

This Tricover H1 horizontal machine, spreader and sealing bar, is positioned behind a standard KSM mattress cover filling equipment.

Heynen Systems supplies both, the Tricover H1 (2980 x 1580 x 804 mm) and the knitted tricot, pre-packed in a way to suit its use.