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Collapsing Core Closures
YOU ARE HERE: Home / Focused Expertise / Custom Caps & Closure Molds / Collapsing Core Closures

Collapsing Core Closures

Injection Mold | Collapsing Core Closure Molds | StackTeck

Collapsing Core Closure Mold technology enables the molding of creative packaging solutions, including 360 degrees of internal threads or undercuts as well as containers or closures with smaller neck diameters than the core or body (e.g., cosmetic jars). These capabilities enable the injection molding of part designs that would traditionally have been molded via injection-blow or extrusion-blow methods.

Collapsing Core Closure Mold technology opens the window for injection molded parts typically molded via injection-blow or extrusion-blow methods. Benefiting in better quality parts, customers can also benefit from reduced part weight, improved cycle time (three fold), and increased productivity.

The potential for mold wear is eliminated due to robust wear backing plates and non-reliance of frictional forces during the collapse of the core inserts. All components are water cooled to achieve minimal cycle times.

StackTeck’s has built collapsing core molds with over 2000 cavities.


See also this news item on StackTeck announces a new application for Five Piece Collapsing Core for high volume jars.

Injection Molded Part | Five Piece Collapsing Core for High Volume Jars | Molded on StackTeck Mold


 

Benchmark Solutions:

  • Single-face Molds
  • Stack Molds
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Collapsing Core Closures – Video

To learn more about this 1×24 Collapsing Core Custom Closure mold, click here.

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Benchmark Testimonials

Mold quality, materials, service and delivery time from StackTeck are exceptional.
Monterrey, Mexico

"StackTeck has been our partner since 1999. Mold quality, materials, service and delivery time from StackTeck are exceptional." Continue Reading

IEMCO Logo
Contenedores IEM, S.A. de C.V. (IEMCO)
Surpassed our Technical and Service Expectations
Brazil

"Highly recommend StackTeck as a supplier of molds and post-sale mold service as they are a company that is serious, responsible, organized, and passionate about customer service and the execution of successful projects." Continue Reading

Antonio Ruesga Estrella
Líder de proyecto – INOVA PHARMAPLASTICS S.A. de C.V.
High-quality, efficient, low-cost Solution
Mexico

"The 5 piece collapsing core technology enabled us to produce low weight parts with higher cavitation moulds, all with a 10 second cycle time ..." Continue Reading

Industrias FC, S.A de C.V
Integrity and Professionalism throughout StackTeck
Latin America

"With 25 years experience in this industry, I recommend StackTeck for the quality of its molds and the professionalism of its technical, accounting and engineering staff." Continue Reading

Sr. Jose Rojas Asken
Plant Manager
Highly Recommend StackTeck in Capability, Quality, Support, and Customer Relations
Worldwide

Working with Stackteck has provided me with an assurance of working with a team of thorough professionals. StackTeck's engineering strength combined with excellent customer care are among the many characteristics that have helped me with various projects. StackTeck handles and supports every project(small or large) with the same level of enthusiasm. Continue Reading

Senior Program Manager
Global Leader in Plastic Packaging Solutions

Beverage Caps

  • Carbonated Soft Drinks (CSD) Molds
  • Mineral Water Closures
  • Hot Fill Closures
  • Other Caps & Closure Molds

Custom Closures

  • Unscrewing Closures
  • Collapsing Core Closures
  • Bump-off Caps & Closure Molds
  • Flip-Top Caps & Closures
  • Personal Care
  • Multi-Material Closures

PET Preforms

  • PET Innovation Expertise
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  • PET Hot Runners
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  • Mold Cooling – KoolTrack™
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Thinwall Packaging

  • IML Containers
  • Barrier Containers / Lids
  • Ultra-Light-Weight Containers / Lids
  • Horticultural

Medical Molds

  • Medicine Cups
  • Labware / Petridishes
  • Pharmaceutical
  • Hospital Thinwall

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