Pressure Sensitive Adhesive Joint Support for Fast Installation
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Solution Overview
Problem
Conventional joint supports for building surfaces, such as corner beads, are time-consuming to install and require waiting for joint compound to dry or the use of mechanical fasteners, necessitating specific tools and expertise.
Innovation Solution
A joint support featuring a support strip with elongate flanges, auxiliary flaps, and a pressure-sensitive adhesive that allows for quick installation without a preliminary layer of joint compound or mechanical fasteners, enabling immediate adhesion and adjustment before forming a permanent bond.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional joint supports are installed using mechanical fasteners, then the joint support can be securely attached to building surface panels, but the installation process becomes time-consuming and requires specific tools and expertise
Solution Approach 1:
The patent replaces mechanical fastening systems (screws, nails, or other mechanical fasteners) with a pressure-sensitive adhesive system. The adhesive is applied to the back surface of the joint support and bonds directly to the building surface panels when pressure is applied during installation. This substitution eliminates the need for mechanical fasteners, specialized tools, and complex fastening procedures, thereby significantly reducing installation time and complexity while maintaining secure attachment strength.
2Strength
If a preliminary layer of joint compound is used to attach joint support, then the joint support can be secured to panels, but the builder must wait for the compound to dry before proceeding, losing significant time
Solution Approach 1:
The patent replaces moisture-curing joint compound with a pressure-sensitive adhesive system that does not require drying time. The adhesive bonds immediately upon application of pressure, allowing the joint support to be securely attached without waiting for any drying or curing process. This eliminates the time loss associated with conventional joint compound application while maintaining strong bond strength.
Solution Approach 2:
The patent changes the fundamental parameter of adhesive bonding from time-dependent (drying/curing) to pressure-dependent. Instead of relying on moisture evaporation or chemical curing that takes hours, the adhesive system is designed to achieve full bond strength immediately when pressure is applied during installation. This parameter change from temporal to mechanical activation eliminates waiting time entirely.
3Strength
If mechanical fasteners are used to attach joint support, then secure attachment is achieved, but the process requires specific tools and expertise to adequately obscure the fasteners
Solution Approach 1:
The patent replaces mechanical fasteners with a pressure-sensitive adhesive system that eliminates the need for tools and expertise related to fastener installation and concealment. The adhesive is applied to the back surface of the joint support, and installation simply requires pressing the joint support onto the building surface panels. This eliminates all complexity associated with mechanical fastening, including tool requirements, fastener placement precision, and post-installation concealment work.
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 efficient and easy installation of joint supports, reducing installation time and eliminating the need for waiting or specialized tools, while ensuring secure adhesion to building surfaces.
Implementation Method 1
a pressure sensitive adhesive substance disposed on at least an inside surface of the first auxiliary flap in the outer portion thereof, and on at least an inside surface of the second auxiliary flap in the outer portion thereof, the pressure sensitive adhesive being configured to transition from having a first adhesive strength to having a second adhesive strength upon application of pressure
Data Source
Figure 1A
Figure 1B
Figure 2
AI summary
The present disclosure relates a joint support that includes a support strip having first and second elongate flanges, the first and second elongate flanges having an inside surface, an outside surface, an inner edge, and an outer edge. The joint support further includes a first auxiliary flap including an inner portion attached to the inside surface of the first elongate flange and an outer portion that extends laterally beyond the outer edge of the first elongate flange. The joint support further includes a second auxiliary flap including an inner portion attached to the inside surface of the second elongate flange and an outer portion that extends laterally beyond the outer edge of the second elongate flange. The joint support further includes a pressure sensitive adhesive substance disposed on at least a first portion of an inside surface of each of the first auxiliary flap and the second auxiliary flap.