vessel
an object used as a container (especially for liquids)
Research draft, second pass
A second pass drafted this model: the structure a model of this thing needs, and what is known about it in the world. The line under this one says how the second half was obtained - researched against sources, or recalled without web access, in which case nothing here was read anywhere and every claim is a lead to verify. Unreviewed either way.
recalled by Codex without web access - no source was read
Researched by: Codex
Purpose and description
Enable an agent to recognise a vessel as a container, assess its ability to retain intended contents, and determine suitable filling, holding, handling, emptying and cleaning actions.
A vessel is a hollow object designed to contain a substance, especially a liquid, for purposes such as storage, handling, processing or serving.
It can be Select a vessel for specified contents, quantity and exposure conditions using recorded evidence.; Fill to an established working limit while preserving required headspace.; Fit, secure, open or inspect the vessel's closure and vent arrangement.; Support, lift, carry or reposition the vessel using a method suitable for its filled state.; Pour, drain, dispense or otherwise remove contents through an appropriate opening.; Inspect, clean and reassess the vessel before reuse or removal from service..
Distinguishing features
Its intended use includes holding contents within a bounded interior; merely supporting an item on a surface is insufficient.
It provides a holding space rather than only a passage for transfer, distinguishing its container role from that of a pipe or channel.
An open mouth does not exclude it: containment can depend on keeping contents below the rim and maintaining a suitable orientation.
Liquid-tightness must be assessed separately from identity: a damaged or porous vessel may still be a vessel while being unsuitable for a proposed liquid.
The entry applies to the physical container sense, not to an entity classified as a vessel because it transports people on water or conducts fluid biologically.
Scope
+ The body, interior and openings that together provide containment
+ Nominal capacity, usable fill level and required headspace
+ Contact surfaces and compatibility with intended contents
+ Closures, seals, handles, supports and discharge features belonging to the vessel
+ Containment condition, cleanliness and suitability for an intended use
+ Filling, storage, handling, emptying and cleaning capabilities
- Ships and other watercraft described as vessels
- Blood vessels, lymphatic vessels and plant conducting tissues
- The identity, composition and hazards of contained substances, which belong to material models
- Pumps, piping and process systems connected to a vessel
- The full specification of reactions, cooking or other processes performed inside a vessel
- Brand catalogues and product lines, except as evidence for an individual vessel's properties
Characteristics
- Intended containment use
- Serving, storage, transport, collection, processing, other, unknown; multiple values allowed Establishes which containment and handling requirements apply.
- Containment form
- Open, closable, permanently enclosed with ports; rigid or flexible Determines how contents enter, remain inside and leave.
- Capacity basis
- Brimful volume, nominal stated volume, rated working volume, measured usable volume, unknown Prevents treating differently defined capacity values as interchangeable.
- Internal capacity
- L or m³, with capacity basis and reference conditions Supports quantity planning without implying that the entire volume is usable.
- Current fill quantity
- mL, L or m³; alternatively fill height in mm with a vessel-specific volume relationship Supports decisions about further filling, handling and emptying.
- Required headspace
- L, mm or percentage of capacity, for a stated use; unknown where unestablished Accounts for free space needed during the intended holding or handling operation.
- Contents and contact compatibility
- Intended or actual contents linked to body, lining and seal materials, with supporting evidence and conditions Compatibility depends on the contents, contact materials and exposure conditions together.
- Containment condition
- No defect observed, suspected leak, confirmed leak, cracked, deformed, seal impaired, unassessed Distinguishes an observed condition from a demonstrated ability to hold contents.
- Closure and vent state
- Closure absent, open, fitted, secured or unverified; vent absent, open, closed, obstructed or unknown A fitted closure does not by itself establish leak-tightness or pressure capability.
- Permitted exposure envelope
- Documented temperature range in °C, pressure differential range in kPa, and applicable contents and configuration Connects proposed service conditions to evidence of suitability.
- Empty and filled mass
- kg, identifying whether measured or calculated and which fittings are included Supports assessment of supports, handles and handling methods.
- Interior cleanliness
- Residue present, cleaned, cleanliness verified for stated use, unknown A vessel can retain contents successfully while being unsuitable because of contamination.
Analytical facets
- substance
- material
- origin
- manufactured
- agency
- inert
- mobility
- portable
- scale
- handheld
- affordances
- graspable
Also called
+84
Where this came from
oewn:2024 · CC BY 4.0
Drafted structure
Bundle to layer to finding to question, as the second pass will find it: 6 bundles · 11 layers · 17 findings · 27 questions.
Containment form How the vessel's physical boundary creates a space for holding contents.
Recognition requires identifying the container role and the boundary that actually retains contents.
Container identity
The intended holding role and its boundary with neighbouring kinds.
Holding role
Record what makes this object a container and which containment functions are intended.
- What contents is this kind of vessel intended to hold, and for which uses? definition
- What distinguishes its holding space from a supporting surface, a conduit or a watercraft? boundary
Retaining boundary
The body, joints and openings on which containment depends.
Walls and openings
Identify the retaining surfaces, potential escape paths and configurations needed to hold contents.
- Which walls, seams, base surfaces and fittings form the containment boundary? definition
- Which openings must remain above the contents, be closed or be connected to retain the intended fill? action
Capacity and fill The relationship between interior space, quantity held and usable filling limits.
A vessel's stated size alone does not establish how much it can hold during a particular use.
Volume basis
Capacity values and the conditions under which they apply.
Capacity evidence
Distinguish labelled capacity from measured volume and any approved working limit.
- What is the vessel's capacity, in which units, and does it describe brimful, nominal or working volume? measurement
- Was the value obtained from a marking, manufacturer documentation or measurement, and under what conditions? provenance
Working fill
Current contents and the free space required for intended use.
Fill and headspace
Relate the present fill to an evidenced usable limit for the intended orientation and operation.
- How much is currently held, and how was that quantity or level established? measurement
- What fill limit and headspace apply during storage, movement or processing with these contents? action
Contents and service Whether contact materials and construction suit the proposed containment conditions.
A vessel's suitability depends on what it holds and the conditions of contact.
Contact surfaces
Materials exposed to contents, including linings and seals.
Material compatibility
Record the evidence needed to judge interaction between contents and every relevant contact material.
- Which body, coating, lining, closure and seal materials can contact the contents? definition
- What evidence supports their compatibility with the intended contents, temperature and contact duration? provenance
Exposure limits
Documented conditions under which the vessel may provide containment.
Thermal and pressure service
Keep temperature and pressure capabilities explicit instead of inferring them from appearance or closure.
- What documented temperature and pressure differential limits apply to this vessel and its fitted components? provenance
- Does the proposed use remain within those limits, including any required venting or configuration? action
Access and handling How contents and the vessel itself can be moved without losing containment.
Openings, closures and handling features determine which operations are practicable in a filled state.
Contents transfer
Routes and configurations for introducing and removing contents.
Fill and discharge paths
Identify usable mouths, ports, spouts and drains together with their access constraints.
- Which openings support filling, pouring, draining or dispensing, and what dimensions constrain access? measurement
- What opening, venting or orientation sequence is needed to transfer the intended contents? action
Filled vessel support
Support and movement requirements at the intended fill.
Stability and lifting
Assess the base, handles and attachment points against filled mass and likely movement.
- What are the empty and intended filled masses, and which support or handling limits are documented? measurement
- How must the vessel be supported, gripped and oriented to control tipping, deformation and spillage? action
Integrity and reuse Evidence that the vessel still retains contents and can be prepared for another use.
Containment defects and retained residues can independently make a vessel unsuitable.
Containment integrity
Condition of walls, joints, closures and other retaining features.
Defects and leakage
Separate visible condition from verified containment performance under stated conditions.
- What cracks, corrosion, deformation, seam damage or seal defects have been observed, and where? measurement
- What inspection or test supports continued use, and under which contents, fill and exposure conditions? provenance
Cleaning and residue
Accessibility of the interior and preparation for subsequent contents.
Reuse readiness
Record prior contents, trapped residues and evidence that cleaning is adequate for the next intended use.
- What previous contents and cleaning treatments are known, and where could residue remain trapped? provenance
- Which cleaning, draining, drying and verification actions are suitable for the materials and next use? action
Evidence and external alignment What the world already says about this thing, gathered so the model can be checked against it.
A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.
Reported evidence
Findings from the breadth pass, kept separate from the structural claims.
Check these first
Recalled without web access and unsourced; every item is a lead to verify.
- This describes the general container sense; listed kinds overlap and are not an exhaustive classification.
- Capacity ranges are illustrative household examples, not defining limits or specifications.
- No sources were consulted; applicable standards and identifiers depend on the vessel's intended contents, construction, pressure conditions and jurisdiction.
- Which of these check these first hold for the sense of vessel this model covers, and on what evidence? provenance
Kinds and varieties
Recalled without web access and unsourced; every item is a lead to verify.
- Bottles
- Jars
- Bowls
- Jugs and pitchers
- Tanks
- Pressure vessels
- Which of these kinds and varieties hold for the sense of vessel this model covers, and on what evidence? provenance
Real-world use
Recalled without web access and unsourced; every item is a lead to verify.
- Storing and serving drinking water and other beverages
- Holding ingredients during cooking and food preparation
- Containing samples and reagents in laboratories
- Storing bulk liquids in industrial processes
- Containing materials during mixing, heating or reaction
- Which of these real-world use hold for the sense of vessel this model covers, and on what evidence? provenance
Typical measurements
Recalled without web access and unsourced; every item is a lead to verify.
- Capacity of household drinking vessels - Approximately 100-1000 - mL
- Capacity of household buckets - Approximately 5-20 - L
- Which of these typical measurements hold for the sense of vessel this model covers, and on what evidence? provenance
Failure modes and hazards
Recalled without web access and unsourced; every item is a lead to verify.
- Leakage through cracks, seams, seals or closures
- Breakage or deformation from impact, thermal shock or excessive loading
- Rupture under internal pressure or collapse under external pressure
- Contamination or material degradation from incompatible contents or inadequate cleaning
- Spillage or tipping, potentially exposing people to hot, corrosive or otherwise hazardous contents
- Which of these failure modes and hazards hold for the sense of vessel this model covers, and on what evidence? provenance
Regional variation
Recalled without web access and unsourced; every item is a lead to verify.
- Capacity may be expressed in litres and millilitres or in customary units; US and imperial gallons and fluid ounces differ.
- Terms such as jug and pitcher overlap differently across English-speaking regions.
- Which of these regional variation hold for the sense of vessel this model covers, and on what evidence? provenance
Neighbouring kinds and how to tell them apart
Recalled without web access and unsourced; every item is a lead to verify.
- container - Container is broader and includes objects such as boxes and bags; vessel generally denotes a hollow receptacle, especially for liquids.
- tank - A tank is a vessel subtype generally intended for storage or processing, often at larger capacity; vessels also include small serving and laboratory objects.
- pressure vessel - A pressure vessel is designed to contain a pressure difference between its interior and surroundings; pressure containment is not required of vessels generally.
- pipe - A pipe primarily conveys material along a passage; a vessel primarily contains a quantity of material.
- ship - Vessel can also mean a watercraft, but that transport sense is excluded here.
- blood vessel - A blood vessel is an anatomical conduit rather than a manufactured receptacle.
- Which of these neighbouring kinds and how to tell them apart hold for the sense of vessel this model covers, and on what evidence? provenance
What the second pass must settle
- Does the wider registry already assign this container concept to a world model, and how are neighbouring entries such as container, tank, bottle, bowl and pressure vessel related to it?
- Does the registry intend vessel to include flexible receptacles and porous containers, or should those be related kinds with a narrower shared containment model?
- Which capacity conventions and headspace requirements are supported for each intended vessel use, particularly where nominal and working capacities differ?
- Which primary sources establish applicable material compatibility, food-contact, temperature, pressure and inspection requirements for the vessel subtypes actually encountered?
- What evidence and acceptance criteria are sufficient to return a previously used or damaged vessel to a specified service?