Segmented C-Profile Door Frame for Existing Wall Renovation
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Solution Overview
Problem
In the field of interior door renovation, existing solutions often require the removal of existing frames, which is costly and labor-intensive, especially when the frame is well-integrated into the wall, and there is a need for a flexible and aesthetically versatile solution that adapts to various dimensions and decorative aspects.
Innovation Solution
A device comprising a set of profiles forming a frame that can be attached to an existing frame, featuring L-section angle irons with hinges and end sections with partially curved external walls, allowing for a C or U-shaped structure that encloses the doorway edges, and includes means for receiving surface trim elements to cover longitudinal zones, enabling adaptation to different frame dimensions and aesthetics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing frames are removed in renovation projects, then new standardized frames can be installed, but the work becomes tedious and costly with possible masonry and interior decoration rehabilitation
Solution Approach 1:
The frame is divided into multiple separable profiles (uprights and crosspieces) that can be independently assembled. This segmentation allows the new frame to be installed around the existing frame without removing it, as each profile can be independently positioned and fixed, thereby reducing renovation complexity while maintaining standardized dimensions.
Solution Approach 2:
The new frame profiles are designed to enclose or nest around the existing frame structure. The C-shaped or U-shaped cross-sections of the profiles create a nested configuration where the new standardized frame contains the old frame, allowing retention of the existing structure while achieving standardized dimensions.
2Ease of manufacture
If existing frames are kept in renovation projects, then costly masonry and decoration work is avoided, but the frame must be dressed with a new chassis that adapts to various dimensions and aesthetics
Solution Approach 1:
The frame profiles incorporate adjustable elements and modular components that can be configured in different positions and orientations. The end sections can be adjusted along the uprights, and the crosspiece positions can be varied, enabling the same basic profile set to adapt to different opening dimensions while keeping the existing frame.
Solution Approach 2:
The profile design with C-shaped or U-shaped cross-sections creates a universal structure that can accommodate various existing frame types and dimensions. The same profile configuration can be used across different renovation projects with varying requirements, providing multi-functionality and dimensional adaptability while simplifying the renovation process.
3Productivity
If standardized frame/door assemblies are used in new constructions, then common dimensions are achieved, but they are less suitable for renovation projects with unusual dimensions
Solution Approach 1:
By segmenting the frame into standardized profiles that can be independently configured, the system maintains production efficiency through standardized manufacturing while enabling custom dimensional arrangements in the field. The segmented profiles can be assembled in various configurations to match unusual renovation dimensions without requiring custom manufacturing.
Solution Approach 2:
The profile design allows for parameter changes in the assembled configuration while maintaining standardized component dimensions. The end sections can be positioned at different heights, crosspieces can be placed at various intervals, and the overall frame geometry can be adjusted to match unusual dimensions while the individual profile components remain standardized for efficient production.
Data Source
Figure 1A
Figure 1B
Figure 2
AI summary
The device has two corner profiles (1, 2) with the respective bodies (1`, 2`) in the form of a corner piece with an L-shaped section and a site (8) for assembling pin hinges, and end profiles (3, 3`) laterally supported on the edges of a wall (5``). The profiles are mutually arranged for constituting two posts and a crosspiece of a casing that presents a C or U-shaped discontinuous structure. The structure integrates covering units (14, 14`, 14``) by surrounding each edge of the wall delimiting an embrasure and the casing.