Patent ID: 6085488
Filing Date: 2000-07-11
Classification: B65B

Abstract:
A composite ring member for mounting a film roll carriage and dispensing assembly thereon for rotation around a horizontal axis of a horizontal stretch-type film wrapping machine, comprising:an annular ring member, upon which a roll of stretch-film wrapping material is to be mounted, comprising a tubular member having a predetermined length and bent into an annular ring with opposite ends thereof welded together, said annular ring member defining an axis about which said annular ring member is adapted to be rotated and comprising an external peripheral surface portion and an internal peripheral surface portion;a reinforcing ring member fixedly secured to said external peripheral surface portion of said annular ring member;a first gusset support plate fixedly secured to a first region of said inner peripheral surface portion of said annular ring member for mounting a film roll carriage and a film roll dispensing assembly thereon; anda second gusset support plate fixedly secured to a second region of said inner peripheral surface portion of said annular ring member, which is disposed diametrically opposite said first gusset support plate and said first region of said inner peripheral surface portion of said annular ring member, for mounting a mechanism for counterbalancing the film roll carriage and the film roll dispensing assembly mounted upon said first gusset support plate.