Shipping Envelope With Embossed Paper Cushioning
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Solution Overview
Problem
Existing shipping envelopes made from plastic or paper alternatives are either costly due to material weight or lack sufficient cushioning, making them inefficient for shipping items effectively.
Innovation Solution
A shipping envelope design utilizing a combination of expanded slit sheet material and embossed paper, which provides cushioning and is recyclable, using a two-layer or multi-layer structure with embossed layers for added protection and flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If plastic materials are used for shipping envelopes, then flexibility and initial cushioning are improved, but manufacturing cost and shipping cost increase due to material weight
Solution Approach 1:
The patent combines expanded slit sheet material (providing cushioning) with embossed paper layers (providing structural integrity) to create a composite envelope structure that achieves both cushioning performance and weight reduction compared to pure plastic solutions
Solution Approach 2:
The expanded slit sheet material creates a porous, air-filled structure that provides effective cushioning with lower density and weight compared to solid plastic materials, while still maintaining flexibility and impact absorption capabilities
2Ease of manufacture
If Kraft paper is used for shipping envelopes, then manufacturing cost is reduced, but flexibility and cushioning capability deteriorate
Solution Approach 1:
The patent creates a multi-layer composite where embossed paper provides structural framework and expanded slit sheet material provides cushioning, achieving both cost-effectiveness and flexible cushioning performance that neither material could achieve alone
Solution Approach 2:
The envelope is divided into distinct functional layers: embossed paper layers for structural support and expanded slit sheet layers for cushioning, allowing each material to perform its optimal function while maintaining overall flexibility
3Reliability
If paper alternatives are used for shipping envelopes, then environmental recyclability is improved, but manufacturing cost and shipping cost increase due to increased weight
Solution Approach 1:
The expanded slit sheet material provides a lightweight, air-filled porous structure that delivers effective cushioning with minimal weight, making paper-based recyclable envelopes competitively priced against plastic alternatives
Solution Approach 2:
The embossing process changes the physical parameters of the paper layers, creating air pockets and structural features that enhance cushioning performance while maintaining low weight and high recyclability
Data Source
AI summary
According to some illustrative embodiments, a protective product is provided that includes: an envelope having a two-layer wall structure, the two-layer wall structure including a) a first outer paper layer, and b) a second inner paper layer, wherein the second inner paper layer includes width-wise positional variations of the side surface of the second inner sheet that cushions items placed within an inner pouch of the envelope, and forms an interior wall of the inner pouch of the envelope and directly contacts the items placed within the inner pouch of the envelope. In some preferred implementations, the width-wise positional variations of the side surface of the second inner paper layer includes pleats, undulations and/or embossments, and, preferably, the pleats, undulations and/or embossments include ridges that extend perpendicular or substantially perpendicular to an outlet of the envelope.