Patent ID: 11932472
Assignee: WESTROCK PACKAGING SYSTEMS, LLC
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 18:
19. A blank for forming a carrier, the blank comprising a plurality of panels for forming walls of the carrier, the plurality of panels comprising a first panel and a second panel for forming an inner layer and outer layer respectively of a composite wall of the carrier, the blank further comprising a keel structure foldable into an interior of a set-up carrier, the keel structure having an inner member formed from the first panel and an outer member formed from the second panel, the inner and outer members being hingedly connected to a respective one of the first and second panels along inner and outer fold lines respectively, the inner and outer fold lines being arranged to be generally aligned in direction of thickness of the inner and outer layers in a set-up carrier and wherein the inner and outer members are shaped to be complementary such that at least part of a free outline of the outer member provides a folding guide to the inner member, the inner member comprises a spine fold line and an engaging portion connected to the spine fold line, the folding guide facilitates folding of the engaging portion of the inner member along the spine fold line when the outer member is folded inward of the carrier along the outer fold line against the inner member in an at least partially overlapping relationship.