A potted plant shipper which incorporates elongated plant holders within an outer fiberboard container. Each of the holders is formed from an integral blank which is foldable into three walls, plus a pair of partial cover panels. Locking flaps close the respective ends and secure the elongated holders...http://www.google.es/patents/US4170301?utm_source=gb-gplus-sharePatente US4170301 - Potted plant shipper
