Cranston Machinery Co., Inc. products

With nearly 7 decades of experience and global installations processing market, fluff, dissolving, block, bagasse, and wet pulp, Cranston is uniquely equipped to help you develop a new system or upgrade an existing packaging system. Cranston finishing technologies include fixed or computer-controlled adjustable packaging equipment, custom data systems, and the latest safety provisions. Cranston’s latest line of EP (Electric Pneumatic) equipment offers the highest levels of production and reliability while reducing noise, housekeeping, and maintenance costs. The latest 2D bar codes are available in Food Grade Ink and are scannable at extended distances.

Strength – Water resistant – Recyclability – wire’s round cross section and uniform flexibility has made it the traditional media for wood pulp retention for several decades.  All Cranston wire (on shore or off shore) is manufactured in compliance to Cranston’s CS003 wire specifications and in addition, Unitizing grade wire is recommended for top attachment lifting per specification CS001. Target coil weight is 815kg (1800#) and Cranston offers the choice of shipment with or without the use of typical returnable wire stands.

Eco Friendly – Operator Friendly – Repulpable Paper strapping made of multiple twisted paper cords (renewable and sustainable) assembled into a ribbon using a cold water repulpable adhesive which is compatible with most typical pulping processes. RapStrap is manufactured in compliance with Cranston’s CS004 specifications as well as FDA 21CFR175.105 regulations and is bagged and sealed in Jumbo Coils containing 4876 Meters (16,000ft) of strapping. Coils are packed (9) coils to a pallet. Shipping materials are recyclable and include a heat-treated pallet per ISTP-15 specifications. The load arrangement has been tested and approved for Truck, Rail, Air and Ship transportation per ISTA-3E standards. A standard 40′ van or container will hold up to135 coils, a 53′ van will hold 180 coils. An ultra Hi-density (18 coil) package is available for large shipments.

Eco Friendly – Operator Friendly – Cold water repulpable adhesive is sprayed onto the bales wrapper and is compatible with most typical pulping processes. RapBond is available in White or tinted in Blue or Green. RapBond is manufactured in compliance to Cranston’s CS008 specifications as well as FDA 21CFR175.105 regulations and is sealed and shipped in 205kg/450#) fiber barrels (4 to a pallet). Larger totes can be quoted. Freezing must be avoided. Working together, the RapPress machine system, RapBond adhesive and a well presented, quality wrapper create a surprisingly durable package for many types of sheeted dry pulp. The result is a well wrapped, easily re-pulped bale with a uniquely smooth clean appearance. Using Cranston’s typical coverage estimate of approximately 11,000 bales per barrel, RapBond is the most cost-effective form of bale wrap and retention in use today.

Ink for Cranston Ink Jet Printers (utilizing Matthews Printheads) are available in 19-liter/5-gallon or 1-liter containers in various colors. Direct food contact ink, available only in Black, offers full compliance with the regulation FDA 21 CFR Parts 172, 182 or 184. Ink for Cranston Drum, Stamp and Unitizing Safety Factor Printers. Available in 3.78 liter/1 gallon plastic containers. Six containers per case. Available Colors: Black, Red, Green.

The EP Strapper is Cranston’s wire strapper for pulp bales (wet, dry, and block). It is a portable machine, powered by pneumatic and electric systems. It can apply (2) wires to a typical bale in (12) seconds, including conveying time (300 bales per hour). Wire diameter ranges from 1.8mm /15awg – 2.3mm/13awg diameter and the optional retracting wire guides, assure the wire ends up within +/-6mm / 1/4” from vertical. A tall opening version for wire strapping stacks or big bales, is also available.  This machine utilizes Cranston’s EZ thread coil cage (see below) and can often be configured to fit into early model conveyors for a more cost-effective upgrade. Early model hydraulic Strappers (series 900, 980, 986, 987) can often be converted to the new EP components.

Cranston’s Side Knotter is specifically designed for wet pulp bales. Wet pulp bales up to 1000mm/40” wide and between 600-1500mm/24-60“high. It can apply (2) wires to a typical bale in (15) seconds, including conveying time (240 bales per hour). Wire diameter is typically 2.18mm/13.5awg. The wire knot is located on side of bale reducing product contamination in the knotter and allows the machine to be inserted into either a separate Side Knotter conveyor or, providing a proper gap is present, between (2) standard conveyors. Side Knotter’s have integrated hydraulic power units and use Cranston’s EZ thread coil cages.

The RapStrap is Cranston’s paper strapping system for dry sheeted pulp bales the machine is portable and powered by pneumatic and electric systems. It can apply (2) straps to a typical bale in (18) seconds, including conveying time (200 bales per hour). The paper strap is loaded directly onto the machine in 4876 Meter /16,000 ft jumbo coils via a convenient floor cart, avoiding operator lifting of the coils.

Cranston’s Unitizer compresses and wire straps pulp units (wet, dry, and block). It includes top and side compression beams, hinging conveyors and is powered by pneumatic, electric, and hydraulic systems. It can apply (7) wires to a typical unit of (8) bales in (72) seconds, including conveying time (50 units per hour). Wire diameter is standard at 3.0mm/11awg. The unitizer can be equipped with optional front/rear alignment paddles. This machine utilizes Cranston’s EZ thread coil cage.

Cranston’s EZ thread coil cage meets current safety standards by enclosing the wire and implementation of a door switch. The cage bolts to the floor and is easily loaded by hand or fork truck. EZ threads are provided with steel pallets and payoff rings and can replace 1500mm/59” of safety barrier in some cases. Optional pipe stands are available for areas that do not receive wire coils on stands and caster kits are available for applications that require.