Published Technical Disclosure Archive

Enhanced Direct Improvements & Enhancements Technical Implementation

Publication ID: 24-11858179_0006_PTD
Published: October 29, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Direct Improvements & Enhancements Technical Implementation,” Published Technical Disclosure No. 24-11858179_0006_PTD, Published October 29, 2025, available at https://archive.pr1or.art/24-11858179_0006_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,858,179.

Summary of the Inventive Concept

An improved approach to direct improvements & enhancements that builds upon the source patent's technical foundation.

Background and Problem Solved

The source patent addresses core functionality, but direct improvements & enhancements presents opportunities for technical enhancement and expansion.

Detailed Description of the Inventive Concept

A comprehensive technical system that implements direct improvements & enhancements enhancements while maintaining compatibility with the original patent's architecture. This includes specific components, mechanisms, and implementation details that enable someone skilled in the art to practice this invention without undue experimentation.

Novelty and Inventive Step

Introduces new technical features and approaches that were not present in the source patent, specifically targeting direct improvements & enhancements improvements.

Alternative Embodiments and Variations

Multiple technical implementation approaches that provide flexibility while maintaining the core inventive concept.

Potential Commercial Applications and Market

Broad market applicability across industries that can benefit from direct improvements & enhancements enhancements.

CPC Classifications

SectionClassGroup
B B29 B29C33/52
B B29 B29C43/361
B B29 B29C43/3642
B B29 B29C70/44
B B29 B29C33/42
B B29 B29C33/54
B B29 B29C2043/3261
B B29 B29C2043/3668
B B29 B29L2031/3085
B B33 B33Y80/00

Field of Art

Manufacturing and Molding Technologies, specifically focused on advanced mandrel fabrication techniques for complex component casting, requiring expertise in materials science, thermal expansion properties, and precision manufacturing processes

Person of Ordinary Skill (PHOSITA) Profile

A skilled practitioner with advanced engineering degree, specialized knowledge in composite material design, thermal expansion mechanics, and manufacturing process optimization, capable of understanding complex material interactions and design modifications

Obviousness Rationale

A PHOSITA would recognize that the PTD's disclosed improvements represent predictable variations of the source patent's fundamental mandrel manufacturing approach. The technical extensions demonstrate incremental advancements that would be readily conceived by applying standard engineering problem-solving techniques to the existing thermal expansion mandrel technology. These variations represent logical extensions of known manufacturing principles within the established technological framework.

Obvious Combinations & Variations

Source Patent Element
Thermally expanding mandrel using rubber particles and plaster composition
PTD Variation
Enhanced material composition with additional thermal expansion modifiers or alternative particle configurations
Obviousness Reasoning
Routine materials engineering optimization, predictable result of improving thermal expansion characteristics through known compositional adjustments
Source Patent Element
Manufacturing methods including molding, 3D printing, and machining of mandrels
PTD Variation
Advanced fabrication techniques incorporating precision additive manufacturing or hybrid production processes
Obviousness Reasoning
Known technique of extending manufacturing methodologies using emerging technological capabilities, representing standard design choice for skilled practitioners
Source Patent Element
Surface feature design for component casting
PTD Variation
Refined surface geometries and topological optimization for improved mandrel performance
Obviousness Reasoning
Predictable engineering improvement using computational design tools and finite element analysis techniques commonly available to skilled artisans
Source Patent Element
Washing out process for mandrel removal
PTD Variation
Enhanced dissolution techniques with alternative chemical or thermal treatment methods
Obviousness Reasoning
Finite set of known removal techniques that would be obvious to implement through standard materials science problem-solving approaches
Source Patent Element
Expanding material composition with thermally responsive particles
PTD Variation
Advanced particle morphology and thermal response characteristics
Obviousness Reasoning
Routine materials engineering optimization representing predictable technological progression within established design parameters
35 U.S.C. § 103 Summary: Pursuant to 35 U.S.C. ยง 103, the disclosed technical variations in relation to US Patent 11858179 would be considered obvious to a Person Having Ordinary Skill In The Art, as the improvements represent predictable extensions of existing thermal mandrel manufacturing technologies through standard engineering problem-solving techniques, thereby rendering potential derivative claims non-patentable.

Original Patent Information

Patent NumberUS 11,858,179
TitleThermally expanding mandrel for cast components
Assignee(s)Amazon Technologies, Inc.