Laundry Pressing Structure to Prevent Double Creases

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Solution Overview

Problem

Conventional laundry treating apparatuses face issues such as wrinkles in laundry, damage from frequent washing, high energy consumption, and the generation of double creases when trying to remove existing wrinkles.

Innovation Solution

A laundry treating apparatus with a cabinet, a supply unit for air and water, a presser to remove wrinkles, and a clamp unit that fixes both ends of the laundry to prevent pressure on sewing lines, ensuring clear creases without generating additional wrinkles.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If a presser is used to pressurize laundry to remove wrinkles, then wrinkle removal is improved, but double creases are generated on the laundry

Engineering Contradiction:
Improvewrinkle removal qualityVSAvoiddouble creases
Core Design Contradiction:
Manufacturing precisionVSObject-generated harmful factors

Solution Approach 1:

The presser is divided into multiple independent pressing elements (first pressurizing element, second pressurizing element, third pressurizing element) that can apply pressure to different regions of the laundry separately. This segmentation allows selective pressing of wrinkle-prone areas while avoiding already-pressed regions, preventing double creases while effectively removing wrinkles.

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If a rotating drum is used to perform washing and drying, then laundry treatment functions are achieved, but energy consumption increases due to motor operation

Engineering Contradiction:
Improvelaundry treatment functionsVSAvoidenergy consumption
Core Design Contradiction:
Adaptability or versatilityVSUse of energy by moving object

Solution Approach 1:

The traditional rotating drum mechanical system is replaced with a stationary presser system that uses localized pressurizing elements. Instead of rotating the entire drum to achieve washing and drying functions, the invention uses targeted pressure application to wrinkles and creases, significantly reducing energy consumption while maintaining laundry treatment effectiveness.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Manufacturing precision

If frequent washing is performed to remove wrinkles, then wrinkle removal is achieved, but laundry damage occurs

Engineering Contradiction:
Improvewrinkle removalVSAvoidlaundry durability
Core Design Contradiction:
Manufacturing precisionVSReliability

Solution Approach 1:

The presser system applies pressure to remove wrinkles and create clear creases before the laundry is worn or stored. By performing wrinkle removal as a preliminary action after washing rather than requiring repeated washing cycles, the invention prevents laundry damage while achieving the desired wrinkle-free appearance.

Inventive Principle:
Principle #10Preliminary action

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

Enables effective washing, drying, deodorization, sterilization, and wrinkle removal while preventing the formation of double creases, thus improving laundry quality and reducing energy consumption.

Implementation Method 1

a presser provided in the receiving space to pressurize the laundry so as to remove a wrinkle of the laundry

Methodology Applied
Scientific EffectPressure: Pressure Increase

Implementation Method 2

the clamp unit pressurizes and fixes both ends of the laundry so as not to pressurize a sewing line provided at a center of the laundry

Methodology Applied
Scientific EffectElastic force: Elasticity

Data Source

PatentEP3940137A1Laundry treating apparatus
Publication Date: 2022.01.19 LG ELECTRONICS INC
  • EP3940137A1 patent drawingFigure 1~2
  • EP3940137A1 patent drawingFigure 3~4
  • EP3940137A1 patent drawingFigure 5~6B

AI summary

A laundry treating apparatus is disclosed, which enables washing, drying, deodorization, sterilization and wrinkle removal. The laundry treating apparatus comprises a cabinet (1) provided with a receiving space (31) in which laundry is received; a supply unit (71, 72) for supplying at least one of the air and water into the receiving space (31); a presser (9) provided in the receiving space (31) to pressurize the laundry so as to remove a wrinkle of the laundry; and a clamp unit (6100, 6300, 6500) detachably pressurizing and fixing both ends of the laundry before pressurizing the laundry by using the presser (9).