On-the-Fly Lid PressOn-the-Fly Lid Press

On-the-Fly Lid Press

Product Details: Item No. 206

Rate: 50 pails per minute

Container: 4 to 7 gallon steel or plastic pails

Material: Carbon, galvanized, or stainless steel construction


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An automatic lid press rolls the lid onto the pail as it passes through a tunnel with a conveyor above and below. An operator is only required to place the lid onto each pail in transit. The angled top powered conveyor rolls the lid down, (kneads) and seals it before it comes out the other end. The upper conveyor can be raised or lowered to press the lids onto 4 gallon to 7 gallon conveyable pails at a rate of 50 pails per minute.


Both conveyor speeds are synchronized to match the discharge rates of the filling machine. The on-the-fly lid press above is shown with its OSHA approved guards. The infeed and the discharge ends have a three foot long guard, preventing an arm from reaching into the machine. The trip wire around the machine perimeter is a safety shut-off. It is the most operator safe standard system available.

Description of Operation

An On-the-Fly Lid Press will handle 4 gallon to 7 gallon open mouth pails with plastic or metal lids.

  • The pail filler operator will discharge a filled pail then start filling of the next
  • While the next pail is filling, the operator will place a lid onto the filled pail
  • The filled pail will convey into the tunnel and the rest is automatic
  • The powered roller conveyor above the pail is set at a slight angle
  • As the pail conveys through the tunnel the powered rollers press the lid down
  • Before reaching the other end of the tunnel, the lid is sealed
  • The sealing pressure is adjustable, as is the angle of the overhead conveyor
  • All the safety guarding meets ANSI standards and is OSHA approved
  • The lid pressing rate is 50 pails per minute

Technical Specifications

An On-the-Fly Lid Press will handle 4 gallon to 7 gallon open mouth pails with plastic or metal lids.

  • Both conveyors are chain driven live roller type
  • The upper powered roller conveyor is 4 ft long
  • The lower powered roller conveyor is 6 ft long
  • Rollers are all 2.5″ diameter at close roll centers
  • Conveyors have 1/2 HP drives, synchronized speeds
  • Welded structural channel frames and supports
  • Floor supports are adjustable in height, up to 3″
  • The tunnel height is adjustable up or down 3″
  • Guarding safety panels are expanded metal
  • Emergency stop pull cord around the perimeter
  • Press rate is 50 pails per minute

Conveyors and machines are manufactured with structural steel stanchions, frames and supports welded together, making each unit a one-piece superstructure, the most rugged standard in the industry.