Baffle Box Pillow Structure for Stable Fill Distribution
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Solution Overview
Problem
Pillows filled with small particulate materials like feathers or foam fragments experience fill shifting during use, reducing comfort and support, and existing baffle structures are limited by manufacturing requirements for quick and convenient filling.
Innovation Solution
A baffle box pillow design with lateral and longitudinal edges, featuring identical fabric layers, continuous baffles, and central and end baffles that create interior baffle boxes to stabilize the fill while allowing easy filling by blowing in the material through designated openings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If baffle structures are added to prevent fill shifting, then fill stability is improved, but manufacturing complexity increases
Solution Approach 1:
The pillow is divided into multiple compartments using baffle members that extend across the pillow interior. These baffles create separate sections that prevent fill material from shifting between areas, thereby improving fill stability while maintaining a manageable structural complexity through systematic division rather than random placement.
Solution Approach 2:
The baffle members are positioned and secured within the pillow shell in a nested arrangement where each baffle is contained within the overall pillow structure. The baffles are secured to the shell at specific locations, creating a hierarchical nesting pattern that stabilizes fill while keeping the manufacturing process organized and manageable.
2Stability of the object's composition
If comprehensive baffle coverage is used to prevent fill shifting, then fill stability is improved, but filling convenience deteriorates
Solution Approach 1:
A filling opening is provided in the pillow shell that allows fill material to be introduced into the pillow interior. This opening is positioned and sized to enable convenient filling operations while the baffle members are arranged to guide and distribute the incoming fill material throughout the compartments, maintaining both filling convenience and fill stability.
Solution Approach 2:
The baffle members are pre-positioned and secured within the pillow shell before the filling operation. This preliminary arrangement of baffles creates predetermined pathways and compartments that guide the fill material as it is blown in through the opening, ensuring that the fill distributes evenly and stabilizes properly without requiring complex filling maneuvers.
3Stability of the object's composition
If baffle members are densely arranged to stabilize fill, then fill stability is improved, but manufacturing time increases
Solution Approach 1:
Multiple baffle members are arranged to work together as an integrated system within the pillow. Rather than treating each baffle as a separate manufacturing step, the baffles are positioned and secured in a coordinated manner that allows them to function collectively in preventing fill shifting, thereby improving fill stability while optimizing manufacturing efficiency through combined operations.
Data Source
AI summary
The pillow includes first and second fabric layers and third and fourth fabric layers, all of which are identical and secured together around the peripheries thereof. Positioned between the first and second fabric layers is a baffle structure which includes first and second lateral baffles extending across the width of the pillow and positioned at approximately one-third and two-thirds of the longitudinal distance (dimension) of the pillow. The baffle structure includes two central baffles, two first end baffles and two second end baffles, arranged to define baffle boxes of approximately equal size. The two central baffles extend longitudinally from one lateral baffle, leaving a space between the free ends thereof and the other lateral baffle to permit filling of the pillow. The first end baffles extend from the one lateral baffle a selected distance, leaving a space between the first end baffles and one lateral edge of the pillow to permit filling of the pillow. The second end baffles extend from the opposing lateral edge of the pillow toward the other lateral baffle, leaving a space between the second end baffles and the other lateral baffle to permit filling of the pillow.