Patent · US Expired

Marine unloading and loading system of powdered and lumpy bulk materials for holds with a pneumatic discharge device

US3977540A · kind A · utility

1Cited by
2References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 4, 1975
Grant dateAug 31, 1976
Priority date
Expiry dateApr 4, 1995

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65G53/22
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

In a marine loading system of bulky materials for ships, Barges and similar vessels, means are provided to handle either powdered materials or lumpy materials. The powdered materials are unloaded by air-flotation means provided with a pneumatic discharge device having air permeable panels, individual, or foldably connected into a unit, with an air conveyer chute attached to each panel. Both the panels and the chutes are unilaterally flexible and connected to the bottom of the hold by hinges so that they may be folded upward to the vertical walls of the hold and there locked, while conventional gripping means are provided for handling the lumpy materials. The open-air conveyer chutes function as feeders to the pneumatic conveyer units for advancing the bulk material. The panels as well as the open air conveyer chutes are provided on their bottom sides with a steel reinforcing construction. The air feed lines for the panels, and the open-air conveyer chutes are constructed in the hinged area as flexible, engageable lines. In the alternative the air feeder lines for the panels, and the open air conveyer lines are constructed in the hinge areas as hinge joint.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.