Envelope Spreader is used to mount and dismount the envelope around tyre after bonding precure tread.

Function:

Envelope Spreader is used to mount and dismount the envelope around tyre after bonding precure tread. The important factors about tyre retreading are temperature, pressure, and time. The envelope spreader encloses the tyre to pressure it when curing.

Envelope spreader usually has two models: vertical and sitting envelop spreader.

Specifications:

Tyre size range	7.50R~12.00R20
Driven mode	Compressed air
Dimension(mm)	1530×1850×1300
Weight(kg)	450
Power supply	AC380V,AC220V,50HZ
Compressed air source(mpa)	0.6

Envelope Spreader/ Assemble and Disassember machine