Slip Fitting Holding Device for Irregular Surfaces

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Solution Overview

Problem

Existing solutions for temporary coverage of objects like tents and boats are complex to set up and require multiple parts, with slip fittings only compatible with pipes of the same size, failing to provide a universal solution for corners, edges, and irregular surfaces.

Innovation Solution

A PVC-based slip fitting system with integrally molded angled wings and a cylindrical attachment mechanism that allows easy assembly and adaptation to various surfaces, using a PVC pipe that can be cut to fit between tensioning points, and featuring rubber strips for non-slip grip.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If traditional slip fittings with circular attachment points are used, then they can snap onto pipes of the same size, but they cannot hold pipes of different sizes or adapt to irregular surfaces

Engineering Contradiction:
Improvecompatibility with different pipe sizes and surfacesVSAvoidneed for multiple fitting types
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent applies universality by designing a single slip fitting with a polyhedral attachment point that can accommodate multiple pipe sizes and irregular surfaces. The polyhedral geometry provides multiple flat faces that can contact various surface types, making one fitting type universally applicable rather than requiring size-specific fittings

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent segments the attachment point into multiple flat faces forming a polyhedral structure. This segmentation allows different faces to contact different surface types (circular pipes, square pipes, irregular surfaces), enabling one fitting to handle multiple configurations through selective face contact

Inventive Principle:
Principle #1Segmentation

2Reliability

If tent pole designs or fixed rib designs are used for boat covers, then coverage can be achieved, but setup becomes difficult and requires detailed instructions

Engineering Contradiction:
Improvecoverage protectionVSAvoidsetup simplicity
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent applies dynamics by using flexible PVC pipe sections instead of rigid tent poles or fixed ribs. The flexible pipe can be easily bent and shaped to fit various configurations, allowing users to adapt the cover structure to different boat shapes without requiring complex assembly instructions or multiple rigid components

Inventive Principle:
Principle #15Dynamics

3Stability of the object's composition

If multiple parts and lengthy instructions are used for temporary housing, then proper structure can be achieved, but assembly time and complexity increase

Engineering Contradiction:
Improvestructural integrityVSAvoidassembly time
Core Design Contradiction:
Stability of the object's compositionVSLoss of time

Solution Approach 1:

The patent merges multiple functions into single components. The slip fitting combines attachment, positioning, and structural support functions in one element. The flexible PVC pipe simultaneously provides structural framework and adapts to various shapes, reducing the number of separate parts and assembly steps required

Inventive Principle:
Principle #5Merging (Combining)

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 quick, tool-minimal installation and reusability for covering a variety of structures, including boats and playhouses, with the ability to adapt to different angles and surfaces without the need for permanent installation.

Implementation Method 1

featuring rubber strips for non-slip grip

Methodology Applied
Scientific EffectFriction: Friction

Data Source

PatentUS9388836B2Slip fitting holding device and system
Publication Date: 2016.07.12 LARSON DONALD B
  • US9388836B2 patent drawing
  • US9388836B2 patent drawing
  • US9388836B2 patent drawing

AI summary

A device and system for holding materials above a created ribbing structure. The device has two unique and novel slip fittings connected together via a plastic pipe that has been cut to a useful length. The slip fittings have a cylindrical attachment port and two wings that serve as the anchor point for a surface. The wings are flat surfaces integrally formed with the cylindrical attachment port and have frictional material attached to the underside thereof. Optional holes are provided on either wing so as to permit a fastener attachment.