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New TE seals at Interpharm

Pharmaceutical manufacturer adds greater TE reliability by switching to induction-sealed foil liners in place of pressure-sensitive foam liners.

'Heat-sink' technology means the induction sealer needs no water lines for cooling.
"Heat-sink" technology means the induction sealer needs no water lines for cooling.

A switch last December from pressure-sensitive foam liners to induction-sealed foil liners on two packaging lines has brought a marked improvement at Interpharm, a pharmaceutical manufacturer in Hauppauge, NY.

The two lines are both used to fill HDPE bottles with tablets or capsules. One line is for bottles smaller than 250 cc, the other for larger bottles up to 950 cc. Closure sizes include 33, 38, and 53 mm. Both child-resistant and standard threaded caps are used.

Bottles are either injection-molded or extrusion blow-molded by Setco (Anaheim, CA). Polypropy-lene closures are injection-molded by Mold-Rite Plastics (Plattsburgh, NY). Interpharm buys bottles and caps through Package All Corp. (Bayport, NY).

The induction sealer added to both lines was a CS Plus+ induction cap sealer from Lepel (Waukesha, WI).

“We switched to induction sealing for two reasons,” says Raj Sutaria, vice president and chief operating officer. “First, to be proactive, to head off potential problems. Second, to help position us for growth.”

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