Straw Wrapper Removal Apparatus with Flexible Orifice

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Solution Overview

Problem

The existing methods for removing protective coverings from drinking straws are inefficient and often result in the straw being discarded due to improper removal techniques, leading to increased time and litter issues.

Innovation Solution

An apparatus with a support and orifice, featuring flexible blades, is used to guide the straw and remove the protective covering by allowing the straw to be inserted and the covering to be torn off without being withdrawn, ensuring sanitary and efficient removal.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If the bottom portion of the sleeve is pulled and twisted to tear it away, then the protective covering can be removed, but the process requires significant time and may fail requiring straw discard

Engineering Contradiction:
Improvestraw preparation speedVSAvoidaggregate time for repeated removal
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The protective covering removal process is segmented into two distinct parts: the bottom portion that is torn away and the top 2-3 inches that remain as a sanitary cap. This segmentation allows the straw to be quickly prepared by tearing only the necessary portion while preserving the sanitary cap, eliminating the need for complete removal and reducing time loss.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The apparatus enables the straw to essentially strip its own protective covering by providing the proper mechanical action through the orifice. The user simply inserts the straw and pulls, and the covering automatically tears at the correct position without requiring manual manipulation or twisting, dramatically improving productivity.

Inventive Principle:
Principle #25Self-service

2Object-generated harmful factors

If the protective covering is completely removed, then litter is reduced, but the top of the straw may be exposed indicating unsanitary conditions

Engineering Contradiction:
Improvelitter from removed sleeveVSAvoidsanitary indication to patron
Core Design Contradiction:
Object-generated harmful factorsVSObject-affected harmful factors

Solution Approach 1:

The protective covering is segmented into two functional parts: the bottom portion that is torn away to minimize litter, and the top 2-3 inches that remain as a sanitary cap. This segmentation simultaneously reduces litter from complete removal while preserving the sanitary indication that the top portion remains covered and protected.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Different portions of the protective covering serve different functions: the bottom portion is designed to be removed to reduce litter, while the top portion is deliberately left intact to maintain sanitary appearance and indicate freshness to the patron. This local differentiation of function resolves the contradiction between litter reduction and sanitary indication.

Inventive Principle:
Principle #3Local quality

3Ease of operation

If the straw is firmly grasped and the bottom portion is pulled and twisted, then the covering can be removed, but the process is complex and may fail

Engineering Contradiction:
Improvesimplicity of removal processVSAvoidsuccess rate of covering removal
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The complex manipulation steps (grasping, pulling, and twisting) are extracted and replaced by a simple insertion and pull action through the apparatus. The orifice provides the mechanical action needed to tear the covering, eliminating the need for manual twisting and grasping, thereby improving ease of operation and reliability.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The apparatus with the orifice acts as an intermediary between the user and the protective covering. Instead of directly manipulating the covering with hands, the user interacts with the apparatus which then performs the tearing action, making the process more reliable and easier to execute successfully.

Inventive Principle:
Principle #24Intermediary (Mediator)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The apparatus enables quick, efficient, and sanitary removal of the protective covering from drinking straws, reducing waste and time consumption while maintaining the top portion intact for hygiene.

Implementation Method 1

an orifice in the support having a shape and size adapted for receiving a drinking straw packaged in a protective covering through the orifice... the orifice includes a plurality of flexible blades defining the perimeter of the orifice and positioned to allow the protective covering to be received through the orifice but not withdrawn from the orifice

Methodology Applied
Scientific EffectFlexibility: Elasticity

Data Source

PatentUS8814021B2Apparatus and method for stripping a protective covering from a drinking straw
Publication Date: 2014.08.26 JONES AARON W
  • US8814021B2 patent drawing
  • US8814021B2 patent drawing
  • US8814021B2 patent drawing

AI summary

An apparatus for removing a portion of a protective covering from a drinking straw, including a support mounted on a container for receiving the portion of the protective covering removed from the drinking straw, and an orifice in the support having a shape and size adapted for receiving a drinking straw packaged in a protective covering through the orifice to the extent corresponding to the length of the portion of the covering to be removed from the drinking straw, the orifice positioned in the support to allow the protective covering to be received through the orifice but not withdrawn from the orifice. A related method is also disclosed.