Glass-Aluminum Facade Assembly With Expandable Glass Anchors

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Solution Overview

Problem

Existing glass and aluminum façades have complex, costly, and time-consuming manufacturing processes, difficulty in disassembly for repairs or recycling, and low structural resistance due to reliance on structural silicone for gluing.

Innovation Solution

A glass-aluminum façade component using multilayer glass panels connected by expansion and tightening connectors, allowing prefabrication at the glassworks and simplified assembly at the construction site, eliminating the need for structural silicone and enhancing structural rigidity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If structural silicone is used to glue the glass window to the secondary frame, then the glass window can be securely attached, but the structural resistance and load-bearing potential are reduced

Engineering Contradiction:
Improvestructural resistanceVSAvoidload-bearing potential
Core Design Contradiction:
StrengthVSReliability

Solution Approach 1:

The patent replaces the chemical bonding system (structural silicone gluing) with a mechanical connection system (expandable connectors). The connectors are inserted into holes in the glass and expanded to create a mechanical anchor, eliminating reliance on adhesive strength and directly utilizing the load-bearing capacity of the glass-aluminum composite structure.

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

Solution Approach 2:

The patent changes the connection mechanism from a continuous adhesive bond to discrete mechanical anchor points. This parameter change allows the structure to utilize the inherent strength of the glass and aluminum components more effectively, as the mechanical connectors can be optimized to fully engage the load-bearing potential of both materials.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If cell modules are pre-assembled in multiple steps at manufacturer premises and glassworks, then the glass window can be securely attached to the secondary frame, but the manufacturing process becomes complex, expensive, and time-consuming

Engineering Contradiction:
Improveattachment securityVSAvoidmanufacturing process complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent segments the connection system into separate, independently manufacturable components: the secondary frame with engagement seats, the glass window with holes, and the expandable connectors. This allows each component to be manufactured separately using simple processes, then quickly assembled on-site by inserting and expanding the connectors, dramatically reducing manufacturing complexity while maintaining secure attachment.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The secondary frame is prepared in advance with engagement seats formed in its engagement surface, but the actual connection is deferred until on-site assembly. The expandable connectors are designed to be inserted and expanded in a single straightforward operation, eliminating the need for complex pre-assembly steps while ensuring reliable attachment.

Inventive Principle:
Principle #10Preliminary action

3Reliability

If cell modules are pre-assembled in multiple steps at manufacturer premises and glassworks, then the glass window can be securely attached, but the manufacturing time and costs increase

Engineering Contradiction:
Improveattachment securityVSAvoidmanufacturing efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

By segmenting the connection system into separate components that can be manufactured independently and assembled quickly on-site, the patent eliminates time-consuming transport and multi-step assembly operations. The simple insert-and-expand process dramatically reduces manufacturing time and associated costs while maintaining secure attachment.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The expandable connectors are designed to be self-installing through a simple expansion mechanism that requires minimal tools and operations. The connectors expand within the glass holes to create their own secure anchorage, eliminating the need for complex fastening procedures and specialized assembly operations.

Inventive Principle:
Principle #25Self-service

4Reliability

If cell modules are assembled with multiple components and gluing, then the glass window can be securely attached, but the disassembly for repair and recycling becomes difficult

Engineering Contradiction:
Improveattachment securityVSAvoiddisassembly ease
Core Design Contradiction:
ReliabilityVSEase of repair

Solution Approach 1:

The patent employs a reversible mechanical connection system where the expandable connectors can be easily removed by collapsing them, allowing the glass window to be detached from the secondary frame without damage. This dynamic connection mechanism enables simple disassembly for repairs or recycling while maintaining secure attachment during service.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent extracts the connection function from a permanent chemical bond and implements it through removable mechanical connectors. This allows the connection to be easily extracted or reversed when needed for repair or recycling, while still providing secure attachment during normal use.

Inventive Principle:
Principle #2Taking out (Extraction)

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

Facilitates easier assembly and disassembly, reduces manufacturing and transport costs, and improves structural resistance by utilizing the load-bearing potential of the composite glass and aluminum structure.

Implementation Method 1

an expansion portion (24) anchored in an expansion hole (25) in the first glass layer (6)

Methodology Applied
Scientific EffectExpansion: Thermal Expansion

Implementation Method 2

at least one local widening (26) which creates an anti-removal shape coupling between the connector (4) and the first glass layer (6)

Methodology Applied
Scientific EffectFriction: Friction

Data Source

PatentUS12534952B2Structural, glass-aluminum facade component
Publication Date: 2026.01.27 LA TECNICA NEL VETRO SPA
  • US12534952B2 patent drawing
  • US12534952B2 patent drawing
  • US12534952B2 patent drawing

AI summary

A façade component (1) comprises a glass window (2) and a secondary frame (3) connected to the glass window (2) by means of a plurality of connectors (4), wherein the glass window (2) comprises a multilayer panel (5), the secondary frame (3) comprises a plurality of secondary profiles (13) forming an engagement surface (15) facing the glass window (2), a first gasket seat (18) formed in the engagement surface (15) and accommodating a first gasket (19) interposed between the engagement surface (15) and the glass window (2), an engagement seat (20) forming a plurality of engagement holes (21), each receiving an engagement portion (22) of one of the connectors (4), wherein the connectors (4) comprise an expansion portion (24) anchored in an expansion hole (25) of the glass window (2), a pin (23) connected to the expansion portion (24) and forming the engagement portion (22), as well as a releasable tightening member (27) which engages the engagement portion (22) of the connector (4) and the engagement seat (20) of the secondary frame (3) and tightens the glass window (2) against the secondary frame (3), wherein the expansion hole (25) and the expansion portion (24) extend through the first glass sheet (7) bordering with the secondary frame (3), and into a second glass sheet (8) adjacent to the first glass sheet (7) on a side opposite to the secondary frame (3), and the expansion hole (25) and the expansion portion (24) have at least one local widening (26, 70) which creates an anti-removal shape coupling between the connector (4) and the glass window (2).