Air conveyor for bottles and bottle preforms

Details

Inventors: Danler, Richard W.; Bilobran, William L.;
Assignee:
Primary Examiner: Rowland; James L.
Assistant Examiner:
Attorney, Agent or Firm: Walsh; Patrick J.

An air conveyor for bottles and bottle preforms wherein bottles are preferably conveyed while supported from a neck ring intermediate neck and body portions of the bottle by air jets directed at the neck portion of the bottle from a plenum chamber defining a conveying path. The conveyor includes depending side curtains in close proximity to the sides of the bottles as an aid to conveyance. As a further aid to conveyance through inclined portions of the conveying path, the conveyor is provided with bottom plate joining the bottom edges of the side curtains.

DETAILED DESCRIPTION We claim: 1.
An air conveyor for bottle members having a neck portion and a depending body portion comprising an elongated plenum chamber having an elongated bottom wall member joined to contiguous wall means for defining a plenum chamber for receiving pressurized air, means for supplying pressurized air to the plenum chamber, said bottom wall having an elongated slot therein, an elongated U-shaped channel member overlying said slot and defining a conveying path, a plurality of air slots in said channel member for admitting pressurized air jets into said channel from said plenum chamber, means for engaging and supporting each bottle member at its neck portion so that the neck of each bottle member is within said channel for receiving the propelling force of said jets whereby the bottles are conveyed along said path, a pair of confronting side curtains depending from opposite sides of the conveyor in close proximity to the body portion of said bottle members, and an opening defined by the bottom edge portions of the side curtains to exhaust air from said air conveyor.
2.
An air conveyor as defined in claim 1 wherein the engaging and supporting means cooperates with a neck ring located intermediate the neck and body portions of the bottle.
3.
An air coveyor as defined in claim 1 in which the U-shaped channel member has air slots incised therein on both sides of the bottle neck portion.
4.
A air conveyor as defined in claim 1 in which the bottom edge portion of each side curtain is fitted with a guide surface for guiding the bottom portion of the bottles.
5.
An air conveyor as defined in claim 1 in which a portion of its length lies in an incline between portions of the conveyor at different elevations and in which a bottom plate connects the bottom edge portion of the side curtains for a distance of from one-quarter to two-thirds of the length of the incline as an aid to conveying bottles up the incline.

Description:
BACKGROUND OF THE INVENTION Blown bottles especially blown plastic bottles are now commonly used for packaging a variety of consumer products including soft drink beverages

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