An accessory effective to pierce the seal closing the mouth of a bottle when the bottle, filled with a pourable material, is applied in inverted position to a well of a dispenser, with a shoulder of the bottle engaging a rim of the well to support the bottle in inverted position in the well. The accessory...http://www.google.com.au/patents/US5280764?utm_source=gb-gplus-sharePatent US5280764 - Dispenser accessory to facilitate loading bottles in a dispenser
