Method and apparatus for blowmoding capsules of polyvinylalcohol and blowmolded polyvinylalcohol capsules

摘要

A capsule is formed from a PVA composition by blow moulding. Such capsules can at last provide a viable alternative to gelatin for bio-degradeable capsule containing a pharmaceutical or consumable or other substance, for example a detergent. The capsules may contain solid or liquid substances. Blow moulding apparatus suitable for forming such capsules is also disclosed and claimed.