Baking Sheet with Peripheral Channel for Grease Containment

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Solution Overview

Problem

Conventional baking sheets lack an efficient mechanism for managing grease and by-products during cooking, leading to uneven cooking and cleaning challenges.

Innovation Solution

A metal baking sheet with a polygon shape and a semi-circular peripheral channel on both upper and lower surfaces, designed to accumulate grease and by-products, featuring a thickness range of 3/16 to 1 inch, with rounded corners and tapered surfaces to facilitate easy grease flow into the channel.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a conventional flat baking sheet is used, then the structure is simple and easy to manufacture, but grease and by-products cannot be effectively managed leading to uneven cooking

Engineering Contradiction:
Improvecooking uniformityVSAvoidsheet structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The baking sheet is segmented by adding a peripheral channel that divides the sheet surface into a cooking area and a grease collection area. This segmentation allows grease and by-products to be directed into the channel, preventing them from interfering with the cooking process and ensuring more uniform heat distribution across the cooking surface.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The peripheral channel acts as an intermediary structure between the cooking surface and the grease/by-products. It provides a designated pathway for grease to flow into, isolating it from the cooking area and preventing direct contact between grease and food, thereby maintaining cooking uniformity.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of repair

If a conventional baking sheet without grease management is used, then the structure is simple, but cleaning becomes difficult due to grease accumulation

Engineering Contradiction:
Improvecleaning easeVSAvoidsheet structure
Core Design Contradiction:
Ease of repairVSDevice complexity

Solution Approach 1:

The grease and by-products are extracted from the main cooking surface and directed into the peripheral channel. This separation allows the cooking surface to remain relatively clean and easy to wipe down, while the channel集中s the grease in one location that can be removed or cleaned separately.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The peripheral channel adds a dimensional element to the otherwise flat baking sheet. By creating a raised or recessed channel structure around the periphery, the design provides a three-dimensional grease collection system that enhances cleaning efficiency without significantly complicating the overall sheet structure.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Reliability

If the baking sheet has no grease containment structure, then the manufacturing is simpler, but grease spreads causing uneven cooking

Engineering Contradiction:
Improvecooking consistencyVSAvoidmanufacturing simplicity
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The baking sheet is segmented by adding a peripheral channel that divides the sheet surface into a cooking area and a grease collection area. This segmentation allows grease and by-products to be directed into the channel, preventing them from interfering with the cooking process and ensuring more uniform heat distribution across the cooking surface.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The peripheral channel modifies the surface geometry parameters of the baking sheet by introducing a raised or recessed boundary structure. This parameter change creates a physical barrier that contains grease within specific zones, preventing uncontrolled spreading and maintaining consistent cooking conditions across the food preparation area.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS9648974B1Baking sheet
Publication Date: 2017.05.16 BAKING STEEL CO LLC
  • US9648974B1 patent drawing
  • US9648974B1 patent drawing
  • US9648974B1 patent drawing

AI summary

A baking sheet formed of a metal planar plate member having a polygon shape defined by multiple sides, having a thickness and periphery, having upper and lower planar surfaces, having a cross-sectional dimension that is an order of magnitude greater than the thickness of the metal planar plate member, a peripheral channel that extends about the periphery of the metal planar plate member, and the peripheral channel being disposed closely adjacent to all sides of the metal planar plate member.