Portola Packaging, Inc: Inner pull ring

The Easy-to-Open Inner Pull Ring closure from Portola Packaging is a 2-piece snap-on closure consisting of a threaded injection-molded PE bottom component and an injection-molded top PP component that screws onto the threads of the PE piece.

Silgan Containers Corp.

Dec 31, 2003

Both pieces are mated as the cap is snapped on to the bottle’s neck finish. When the consumer screws off the top piece, the bottom piece remains on the neck finish, and a pull ring in its center provides tamper-evident protection. Closure works with any PET or HDPE bottle and is designed to run on most existing capping equipment.

Silgan Containers Corp.

Fill out the form below to request more information about Portola Packaging, Inc: Inner pull ring

Conveying Innovations Report

List: Digitalization Companies From PACK EXPO

2024 PACK EXPO Innovations Reports

Machinery Basics

What Can You Package on a Vertical Form/Fill/Seal Machine?

A Look into the World of Cartoning Equipment

A Look at Feeding and Inserting Equipment on the Packaging Line

How Products are Loaded and Sealed into Pre-Made Bags and Pouches

At the 2025 Packaging Recycling Summit, produced by Packaging World magazine and held in Dallas in June, the focus was on how to make recycling work through innovation and collaboration.

PRS 2025 Captures Pivotal Moment in Circularity

Packaging World’s 2025 Packaging Recycling Summit marked a turning point in circularity, as brands, policymakers, suppliers, MRFs, and industry organizations move from intention to implementation across systems, formats, and policies.

Madeline Tien, sustainability specialist at Once Upon a Farm, and Ryan Smith, CEO of Recyclops

Baby Food Brand Tests Flexible Pouch Mail-Back Program

Lisa Huett, director of sustainability for Pretium Packaging, and Nate McCrary, director of business development for LyondellBasell

Tums Switches to Bio-based Bottle

Soules Foods’ line features Delkor’s compact EVO at the center of an integrated, end-to-end system.

Soules Foods Serves as Proving Ground for Breakthrough Robotics

Traceability in Packaging: From Obligation to Opportunity

Conveying Innovations Report

Editors report on distinguishing characteristics that define each new product and collected video demonstrating the equipment or materials as displayed at the show. This topical report, winnowed from nearly 300 PACK EXPO collective booth visits, represents a categorized, organized account of individual items that were selected based on whether they were deemed to be both new, and truly innovative, based on decades of combined editorial experience in experiencing and evaluating PACK EXPO products.

Take me there

2024 PACK EXPO Innovations Reports

Exclusive access: Packaging World editor-curated reports revealing PACK EXPO's most groundbreaking technologies across food, healthcare, and machinery sectors. Each report features truly innovative solutions selected from hundreds of exhibitors by our expert team. Transform your operations with just one click.

Access Now

Products

Portola Packaging, Inc: Inner pull ring

Silgan Containers Corp.

Conveying Innovations Report

List: Digitalization Companies From PACK EXPO

2024 PACK EXPO Innovations Reports

What Can You Package on a Vertical Form/Fill/Seal Machine?

A Look into the World of Cartoning Equipment

A Look at Feeding and Inserting Equipment on the Packaging Line

How Products are Loaded and Sealed into Pre-Made Bags and Pouches

PRS 2025 Captures Pivotal Moment in Circularity

Baby Food Brand Tests Flexible Pouch Mail-Back Program

Tums Switches to Bio-based Bottle

Soules Foods Serves as Proving Ground for Breakthrough Robotics

Traceability in Packaging: From Obligation to Opportunity

One Partner, Limitless Packaging Solutions

Weber and SOMIC Partnership Makes Convenience Meal Packaging Easier: Learn More at PACK EXPO!

XTS EcoLine Motor Module Delivers Advanced Mechatronics Technology at a Lower Price

PELV Showcase 2025

September 2025

July/Aug 2025

May/Jun 2025

Researched List: Fast Changeover Cartoning Equipment

Researched List: Powder Processing and Packaging Suppliers

Master Filling & Capping Equipment Selection

Researched List: Mono-Material, Barrier Pouches